Air Infiltration Barrier On Board And Batten Siding

The house was built in 1965.

Air infiltration barrier on board and batten siding.

And that leads to air infiltration and seepage the kinds of things that drive up energy costs. Yes i would install a new moisture barrier before installing the board and batt. That would leave an air gap there of 1 5 between the studs and the back of the siding. The old farmhouse we are redoing originally had board and batten siding cut and milled right here on the property yellow pine.

The house is cold in the winter partly because it is on slab and partly because it is pretty drafty. I then began to think about where the water will go when not if it finds it s way behind the boards. No rough cut cedar there. Most of the windows are in decent shape anderson dual pane and don t leak much air.

See the layers below. 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. While board and batten siding is typically wood it can be made from vinyl fiber cement or steel. This will require horizontal strapping which i initially thought should be placed over the house wrap.

Modern materials with r value such as dupont tyvek homewrap helps to keep air and water out while letting water vapor escape. Rain screen wall layers. 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.

Although the insulation may balloon that air barrier outward somewhat into that 1 5 air gap. Redundant barrier wall layers vs. 3 water resistive barrier wrb as defined by building code and a minimum 3 8 in. Moisture barrier house wraps do the same thing but for rain snow and other outside moisture.

Does the horizontal strapping impede on the water s ability to drain down. Air and moisture barrier such as house wrap or felt paper must be applied between siding and sheathing plywood to avoid water infiltration. 10mm air space between the wrb and the panel siding formed by minimum 3 8 inch furring. I would add a tyvek air barrier to contain air migration and leave some expansion room for.

We have had our rainscreen board and batten siding for nearly 10 years and it looks brand new. Exterior is mostly board and batten wood siding both boards and battens are a full 1 thick boards are 12 wide. 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.