Rainscreen Siding Problems

Wood is clearly the best choice for rainscreen siding.

Rainscreen siding problems.

I re read the article and did notice that it called out the compression concerns. Some attribute energy savings to rainscreens but if your wall is so thermally weak that it benefits from a rainscreen there should probably be a re evaluation of the air sealing and insulation strategies. Sv 3 rainscreen siding vent a simple effective solution for rainscreen ventilation behind wood hardboard fiber cement siding. What every homeowner needs to know while homes are made to get wet occasionally excessive amounts of water such as during rainy seasons can cause problems if it seeps past the home s siding and vapor wrap.

Expansion gaps of 1 4 would need to be designed in at least every 12. Alternative products like pactiv s raindrop 3d do not show that same tendency. It should be pretty obvious that using composites or pvc could create numerous problems in rainscreen siding applications. Air enters behind water table and exits through gap above top trim piece.

Other builders use natural materials but omit a rainscreen which can lead to premature failure. For a clean finish the bottom of the foam will need trim anyways a piece of custom bent up perforated j trim is not that much. Rainscreen exterior wall construction. They also come with a higher carbon footprint than those from renewable resources.

Trapped moisture from driving rain or condensation can cause major problems. A rainscreen is a system of materials used to create a gap between the siding and the water resistive barrier wrb. Once it makes it s way past the water barriers it can be absorbed into the wooden framing of your home. Air flows behind siding in continuous airspace of rainscreen drain plane.

Venting behind your siding is just as necessary and valuable as venting your attic. Block the bottom of the foam with lumber and cover the rain screen gap with perforated metal flashing. It comes in at under a buck a linear foot. Drip edge flashing installed over rainscreen mat to allow an un interrupted drain plane behind the siding.