Air Infiltration Barrier On Board And Batten Siding

To construct a vented rain screen wall add a vented air space between the redundant barrier that is the weather resistant barrier wrb and siding.

Air infiltration barrier on board and batten siding.

The old farmhouse we are redoing originally had board and batten siding cut and milled right here on the property yellow pine. 3 water resistive barrier wrb as defined by building code and a minimum 3 8 in. The infiltration barrier would be sandwiched between the outside of the studs and the 2 x 4 horizontal nailers. In the 1960 s they took off the battens and put up that ugly tar paper siding over the boards.

I would add a tyvek air barrier to contain air migration and leave some expansion room for. I am thinking about using vertical pine board and batten on the exterior of my new house. 10mm air space between the wrb and the panel siding formed by minimum 3 8 inch furring. See the layers below.

Redundant barrier wall layers vs. We install moisture barriers because we know the siding will leak due to rain storms wind etc if you live in a cold climate in winters i d use a vapor barrier on the batt insulation but don t install plastic sheeting on the walls. The house was built in 1965. While board and batten siding is typically wood it can be made from vinyl fiber cement or steel.

We have had our rainscreen board and batten siding for nearly 10 years and it looks brand new. No rough cut cedar there. Moisture barrier house wraps do the same thing but for rain snow and other outside moisture. Modern materials with r value such as dupont tyvek homewrap helps to keep air and water out while letting water vapor escape.

And that leads to air infiltration and seepage the kinds of things that drive up energy costs. This will require horizontal strapping which i initially thought should be placed over the house wrap. I then began to think about where the water will go when not if it finds it s way behind the boards. Although your siding is your home s first defense against wind many types have small gaps and cracks at the joints where siding panels line up.

That would leave an air gap there of 1 5 between the studs and the back of the siding. Most of the windows are in decent shape anderson dual pane and don t leak much air. Rain screen wall layers. The house is cold in the winter partly because it is on slab and partly because it is pretty drafty.

Air and moisture barrier such as house wrap or felt paper must be applied between siding and sheathing plywood to avoid water infiltration. Exterior is mostly board and batten wood siding both boards and battens are a full 1 thick boards are 12 wide. Although the insulation may balloon that air barrier outward somewhat into that 1 5 air gap.