Yes, you can build a home during the rainy season

Q: I want to start construction on a home, but just about everyone wants me to wait for months because bad weather is just around the corner. Can you build a home in the rainy season without causing problems to the structure? Does rainwater hurt all the lumber as a house is being built?

A: You ask good questions. You're going to love the answers, too. The bottom line is that you can build a home in almost any weather. The only thing that can really inhibit you is frozen ground — but even with that, if there is a will, there's a way.

The key to building a home in bad weather is getting the foundation installed and the house up out of the ground before the onset of extended rainy or bitter cold weather. You can pour concrete in cold weather and bitter cold, but it takes an experienced crew with the proper equipment to protect the concrete so it can cure enough to resist freeze damage.

There are modern building methods that allow you to build a home indoors in a factory. You might be able to build a modular home in your area and have the sections trucked to the job site and lifted onto the foundation in just a day or two.

If you can't do that, you can at least compress the construction time significantly by using walls that are prefabricated in a factory and trucked to the site. This can save weeks of time. Stick-building walls at the site in bad weather is slow, dangerous and hard on the carpenters. Prefabricated walls are set with a small crane, and a seasoned crew can have a normal house under roof in a week or less.

If you use the latest building materials, the roof sheathing will not be harmed by rain, as some new sheathing has a waterproof coating. The seams between the pieces of coated oriented strand board (OSB) are sealed with a special tape that keeps out just about all water from the wood substrate.

Normal rainwater will not harm the wood that is used to build homes. Many homeowners fear that wood will immediately rot if allowed to get wet. That's simply not the case. The only thing that doesn't fare well if it gets wet is low-grade OSB. This flooring and wall sheathing material is still available, and if it gets wet, it can swell and not shrink back to its original size.

There are new OSB floor sheathing materials specially made to resist standing water. They will not swell. You can also get OSB wall sheathing that is just like the roof sheathing. It has a special waterproof coating on the exterior side that repels water.

The real key to building in bad weather is to hire a builder with the equipment and experience to handle extreme conditions. Discuss all the details of the job before you sign the contract.

Have a question for Tim Carter? Go to his Web page, askthebuilder.com, which also features numerous videos. You can also sign up for his free newsletter.

Yes, you can build a home during the rainy season 01/28/12 [Last modified: Saturday, January 28, 2012 3:31am]

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