4myr Posted October 13, 2020 Share Posted October 13, 2020 (edited) I invite you to support or refute this statement with arguments. We take 2 examples as extremes. Both have the same 2 bedrooms [4x4m], a living room with pantry [farang kitchen], an outdoor kitchen and 2 bathrooms [2x2m]. 1) GFH, a stone house with only ground floor of 96m2 of living area 2) HOS, a house on stilts of 2 x 48m2 living area, above 1 bedroom, 1 bathroom and living room/pantry with small balcony. Downstairs 1 bedroom, 1 bathroom and under the roof without walls a living room with a typical Thai outdoor kitchen. The statement: with materials commonly used in Thailand, the house on stilts [HOS] can be built faster and with fewer materials while retaining the same comfort as a ground floor house [GFH]. The reason: during the day it is cooler to live outside under the 1st floor without walls than confined under a warmer roof in a ground floor home. In addition, the 1st floor can be built faster and with cheaper materials. Below the elaboration: Foundation and skeleton: GFH - concrete foundation with concrete posts, steel (roof) frame HOS - same as BGH, concrete foundation is only needed for the bedroom and bathroom downstairs [surface 4x6], the rest of the floor for outdoor living and kitchen is cement. The HOS does need longer concrete pillars Ground floor: GFH - exterior and interior walls of aerated concrete {e.g. AAC blocks]. Outside wall area 2.3 x [8 + 12] x2 HOS - the same but less materials; outer wall 2.3 x [6 + 4] x2, extra concrete and hardwood needed for the stairs to the 1st floor. Living room downstairs only has a partition wall with kitchen. This can be made of cement board or thinner AAC block 1st floor: GFH - N / A HOS - cement board [e.g. Shera wood] for exterior walls [2.3 x (4 + 4 + 4 + 6 + 4)], except bathroom. This is made of AAC blocks [2.3 x (2 + 2)] and the floor of concrete. The floor of the bedroom and living room is cement board. The floor and fence of the balcony is made of hard wood Roof and ceiling The HOS requires less roofing materials because of the smaller surface [net slightly more than 50% of the GFH]. A single plane roof requires less net materials than a pitched roof, including roof covering, foil and gutter. It is better not to have an attic space due to easier pest control. However, as much cross ventilation as possible [metal mesh between the roof and the outside wall], passive ventilation of the roof and forced exhaust of the space under the ceiling [inside of cement board and outside of cement board with holes] with solar DC fans. Orientation [for best ventilation and cooling] House and plane roof are on N-S axis. Bedrooms at coolest part of the house [N-E]. Bathrooms next to bedrooms [N-W]. Outdoor kitchen and balcony in the hottest part [S and S-W]. Living room in the middle. For cross ventilation, as much as possible [minimum 10% floor space] sliding doors and windows on south and southwest in the living room / kitchen. Windows and doors can open so that south / southwest wind can blow through the house as much as possible unhindered. Only 1 bedroom [downstairs] will be airtight and air-conditioned, as last refuge when the outside temperature goes towards 40-45C. Edited October 13, 2020 by 4myr 1 Link to comment Share on other sites More sharing options...
Popular Post Kwasaki Posted October 13, 2020 Popular Post Share Posted October 13, 2020 Can't be bothered reading all that, Ans. Yes because a ground floor house would take longer preparing the foundation. 6 Link to comment Share on other sites More sharing options...
Artisi Posted October 13, 2020 Share Posted October 13, 2020 How long have you been in Thailand, wind blow thru' unhindered - trust your housekeeper / wife / yourself like sweeping and dusting every few hours. Link to comment Share on other sites More sharing options...
Artisi Posted October 13, 2020 Share Posted October 13, 2020 There are a few people here who for a fee would be prepared to write a full report on the pro's and con's of your requested info. 1 1 Link to comment Share on other sites More sharing options...
Popular Post kbb Posted October 14, 2020 Popular Post Share Posted October 14, 2020 I normally avoid these discussions, but in this case have learned one lesson in ten years here. When considering real estate questions, you need either personal experience with the area and/or situation, or know someone who has. - Where to live, what part of town, what style house, . etc. There are too many intangibles. Small issues (How noisy or busy is the street) can be surprisingly vexing. Will save the rest of the lecture for a specific suggestion: If you can, rent a structure on stilts and try living with it for a month or so. likely won't cost too much, especially out in the sticks. It probably won't take you too long to figure out what you like. And what drives you crazy. 2 3 Link to comment Share on other sites More sharing options...
1FinickyOne Posted October 14, 2020 Share Posted October 14, 2020 Up to you... Very different style structures... The defining part of your question is comfort level... the answer, it is individual... If you like apples, plant an apple tree... If you like oranges, buy them at the market,... 1 1 Link to comment Share on other sites More sharing options...
TheFishman1 Posted October 14, 2020 Share Posted October 14, 2020 Way too long 1 1 Link to comment Share on other sites More sharing options...
PFMills Posted October 14, 2020 Share Posted October 14, 2020 Seems that the OP, from his other postings, wants to build a house in Tak and is researching options...so we should make an effort to help. 1 Link to comment Share on other sites More sharing options...
jesimps Posted October 14, 2020 Share Posted October 14, 2020 I had two quotes for my house on top of 2.4 metre high columns and my house on the ground would've been around a third cheaper to build. I do have the whole underneath concreted though, not just supporting the columns. Link to comment Share on other sites More sharing options...
Popular Post Gumballl Posted October 14, 2020 Popular Post Share Posted October 14, 2020 I for one do not want to climb too many stairs to get into my house. 3-4 steps is enough; that is, I prefer the ground floor of the house to be about 1 meter above ground level, and the perimeter of the house to be decorated with tile. Like this... 8 Link to comment Share on other sites More sharing options...
Popular Post owl sees all Posted October 14, 2020 Popular Post Share Posted October 14, 2020 (edited) 20 hours ago, 4myr said: I invite you to support or refute this statement with arguments. Great topic 4myr. Stilts have been used - and still are - in Thailand for a accumulation of reasons. 01 So the cows, buffaloes and pigs etc, can be accommodated underneath. 02 Protection against flooding. 03 Protection against undesirable creatures; croc's snakes etc. 04 Security for the family. Harder to break into. 05 Cooler in the hot, and warmer in the cold. 06 Cheaper to build. 07 Easier to move house. 08 Easy to control ants etc. Edited October 14, 2020 by owl sees all 5 1 Link to comment Share on other sites More sharing options...
NCC1701A Posted October 14, 2020 Share Posted October 14, 2020 i had a house like that in Hawaii and the answer is yes. only three steps to get in as the land dropped away under the house. and you could access everything under the house like plumbing and electrical. now i am eating rats in Bangkok. Link to comment Share on other sites More sharing options...
jessc Posted October 14, 2020 Share Posted October 14, 2020 Last year we had to do an emergency build (landlord at the time lost a court case for his land, and we were given short notice to move ourselves and our staff). Live on a small island where there are no already built options. Rented land and in only 4 months (start to finish) built: -- a 2 story duplex, with each unit being 49sqM up and 49sqM down, bathrooms on each level, indoor kitchen with living area down, large bedroom, bath, closet, and balcony up. Aircon up and down. Very very comfortable. -- a staff housing unit with 17 bedrooms, 4 bathrooms, laundry and storage rooms. Duplex and staff house built on short stilts (1m above ground), with metal frame and smart/veva board for the basic structure. Every builder we talked to said that a concrete foundation/structure would take twice as long and would cost twice as much (in part due to transport of heavier materials to the island). I don't think what we built is designed to survive the ages or anything, but its strong and comfortable. And free from pests and flooding. 1 Link to comment Share on other sites More sharing options...
sandyf Posted October 14, 2020 Share Posted October 14, 2020 Any house can be built cheaper than another, it is all about quality. Solid foundations and pillars need time to cure, so the less concrete involved the quicker the process. All the houses on stilts that I have been in the floors felt "spongy" and resonated, but each to his own. I suspect that creating a "solid" floor on stilts could end up costing a lot more than a normal foundation. Only real reason I can see to justify stilts would be risk of flooding. Link to comment Share on other sites More sharing options...
Popular Post stouricks Posted October 14, 2020 Popular Post Share Posted October 14, 2020 Part of my house is GFH on a concrete base, but some of it has an upper floor which really is HOS. I prefer my kitchen, office & living room to be in the former, and my bedrooms above. 3 Link to comment Share on other sites More sharing options...
Matzzon Posted October 14, 2020 Share Posted October 14, 2020 No, not same comfort. Unless you invest in an elevator for no need to climb the stairs when you are over 80. Link to comment Share on other sites More sharing options...
Popular Post TPI Posted October 14, 2020 Popular Post Share Posted October 14, 2020 1 hour ago, owl sees all said: Great topic 4myr. Stilts have been used - and still are - in Thailand for a accumulation of reasons. 01 So the cows, buffaloes and pigs etc, can be accommodated underneath. 02 Protection against flooding. 03 Protection against undesirable creatures; croc's snakes etc. 04 Security for the family. Harder to break into. 05 Cooler in the hot, and warmer in the cold. 06 Cheaper to build. 07 Easier to move house. 08 Easy to control ants etc. Agreed, for our first 6 months we lived in a Farmers style, raised teak house that was basic with toilet/shower underneath while our "permanent" house was built. Our permanent house was built on the ground, with "hardie" plank nailed to wood on the outside and "gyprock" on the inside and ceilings. While it was spacious we missed the wooden floor and over time the termites overcame the poison in the soil and attacked the paper on the gyprock, this meant that all of the ceilings and linings had to be torn out and replaced with cement sheeting. On reflection, I believe that with a bit of tarting up the teak house might have been the better move? "Too late" She cried! It would have saved me 1 million and removed a lot of vexation! 3 Link to comment Share on other sites More sharing options...
Rimmer Posted October 14, 2020 Share Posted October 14, 2020 A baiting post leading to bickering has been removed Link to comment Share on other sites More sharing options...
MikeN Posted October 14, 2020 Share Posted October 14, 2020 23 hours ago, 4myr said: ) HOS, a house on stilts of 2 x 48m2 living area, above 1 bedroom, 1 bathroom and living room/pantry with small balcony. Downstairs 1 bedroom, 1 bathroom and under the roof without walls a living room with a typical Thai outdoor kitchen. If I have understood you correctly, this is not really a house on stilts, but just a two storey house ? Which in my opinion is really going to be not much more than a small condo upstairs and somewhere for the in-laws downstairs. Or is the downstairs also raised off the ground, giving you three levels? In which case you are going to have a lot of stairs to climb......or fall down. Link to comment Share on other sites More sharing options...
yankyoakum Posted October 14, 2020 Share Posted October 14, 2020 Depends on how old and infirm you are, we exceed in both, so one story was only option, living on a hill negates flooding...Just realized the sweet looking tile entrance on the house we just purchased, carport and all around house is slick as ice when wet...Oops' now looking for 200+sq meters of non skid tile as we are not that spry...The recent rains have showed us the light...or error of our ways... Good luck.. 2 Link to comment Share on other sites More sharing options...
Grumpy one Posted October 14, 2020 Share Posted October 14, 2020 Build a tree house. No poles required 1 Link to comment Share on other sites More sharing options...
KKr Posted October 14, 2020 Share Posted October 14, 2020 On 10/13/2020 at 12:00 PM, 4myr said: House and plane roof are on N-S axis Meaning you get morning and evening sun on longer walls. also, many areas typically have southern wind and northern wind. to ventilate the house as much as possible, you’d want the wind to hit the longer walls. Link to comment Share on other sites More sharing options...
transam Posted October 14, 2020 Share Posted October 14, 2020 5 hours ago, Gumballl said: I for one do not want to climb too many stairs to get into my house. 3-4 steps is enough; that is, I prefer the ground floor of the house to be about 1 meter above ground level, and the perimeter of the house to be decorated with tile. Like this... Prefer an upstairs, gives more time for me to get my trousers on if naughty folk are trying to get in. Plus it stays cooler in the living area with a floor above....???? 1 Link to comment Share on other sites More sharing options...
transam Posted October 14, 2020 Share Posted October 14, 2020 I stayed in a place on stilts once, it had stilts because Alligators were a constant pest...????..???? 1 Link to comment Share on other sites More sharing options...
khunPer Posted October 14, 2020 Share Posted October 14, 2020 On 10/13/2020 at 7:00 AM, 4myr said: The statement: with materials commonly used in Thailand, the house on stilts [HOS] can be built faster and with fewer materials while retaining the same comfort as a ground floor house [GFH]. The reason: during the day it is cooler to live outside under the 1st floor without walls than confined under a warmer roof in a ground floor home. In addition, the 1st floor can be built faster and with cheaper materials. To my knowledge most houses in Thailand are build on stilts (posts), they are just below ground level, when you build have a house with a ground floor. Lifting the house's ground floor up in 2nd floor level, just add another level with posts, without stabilising bricks. I would consider it to be little more expensive than building a house on the ground – with stilts/post buried underneath – or just raising the house about a meter, as often done, mainly to avoid flooding, easier acces to pipe maintenance, and spraying for unwanted inhabitants (insects/termites) under the ground floor. The most important, according my my excellent Thai building constructor, is the feet of the posts, so the house is not sinking, and walls therefore not cracking. My house was build on ground level, but dig down to hard soil where huge concrete feet were made, and then posts op to ground level; little more than 10 years so far without any cracks. ... After filling with sand up to ground level, concrete beams were cast, just like if build on stilts/posts... And so on continuing up to the level with roof steel construction... What helps to keep a house cool is Q-blocks, aerated concrete, and proper insulation under roof tiles/plates with reflector, and eventually mineral wool or fiber glass layer, and an air separation with a reasonable airflow between roof and ceiling. Using "water-proof" cement-mix improves the stability of posts and beams, it only costs a few hundred baht extra per cubic meter mix. You should also use waterproof cement plaster to avoid cracks, much cheaper and better looking than fixing it later. The eaves should be at least half a meter, preferably about one meter, to keep shadow, and to avoid rain to hit too hard. Make covered terrasse on more than one side of the house, if you wish to enjoy sitting outdoor, and still in cover for wind and downpour coming in from a low angle. Also know your area, in some places there might be too many insects in the evenings to enjoy sitting outside. 2 Link to comment Share on other sites More sharing options...
suhoaswhas Posted October 14, 2020 Share Posted October 14, 2020 is stilt structure as strong as ground level house ? Link to comment Share on other sites More sharing options...
natway09 Posted October 14, 2020 Share Posted October 14, 2020 Lived in a 2 storey house once, Everything I wanted when upstairs was down & reverse when I was up Just finished a 156 M2 house in Tak province 5 steps off the ground 2 Link to comment Share on other sites More sharing options...
Popular Post Crossy Posted October 14, 2020 Popular Post Share Posted October 14, 2020 50 minutes ago, suhoaswhas said: is stilt structure as strong as ground level house ? The standard Thai construction is post-and-beam, the walls provide no structural strength and little stiffening, so yes the stilts are as strong assuming the same overall height. Our home is a "bungalow on sticks", 3 bedrooms, 2 bathrooms and a lounge "upstairs" all with A/C (ok, not the bathrooms). My workshop (could become a bedroom), kitchen and 1 bathroom downstairs along with a large open-sided, plant shaded, seating area where we spend most of our time. The aircon lounge really only gets used when I'm working from home (it's my office too). We are very happy and comfortable but many would find our sitting area too warm as it is invariably at ambient temperature (it's actually been a bit chilly recently). If we were to build the same home with downstairs walled in the cost difference would be marginal as just walls, windows and doors (and aircon) to add. All the stabilising ground beams are already in place in case madam wants to open a shop. Our home is described in detail here:- 3 Link to comment Share on other sites More sharing options...
RocketDog Posted October 15, 2020 Share Posted October 15, 2020 The thing that caught my eye was the part about the upper floor being open to the breeze for comfort.. I don't know where you're building but where I've been in Thailand during certain parts of the year NOTHING open to the air will be comfortable for me. And you can't just turn on the aircon in that case. From your previous post you must be very heat tolerant or know for sure that proper/adequate ventilation is available for cooling. Either of these means you are different from most people on this forum, me for sure. I advise you to be very thoughtful about using ambient cooling for living space. I would never build any living space here that I couldn't cool mechanically when I chose to. I have an outdoor kitchen/pool house that I use a lot, but I frequently jump in the pool to cool off. In March /April/May I generally live inside with aircon most of the day. At times when batting your eyes makes you break a sweat I retreat to aircon just to escape the humidity. Link to comment Share on other sites More sharing options...
Max Brok Posted October 15, 2020 Share Posted October 15, 2020 On 10/14/2020 at 4:03 AM, stouricks said: Part of my house is GFH on a concrete base, but some of it has an upper floor which really is HOS. I prefer my kitchen, office & living room to be in the former, and my bedrooms above. Which kind of grass did you use? Do you water it in the dry season? Link to comment Share on other sites More sharing options...
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