Installing Tar Paper Under Siding

Staple down the tar paper.

Installing tar paper under siding.

Tack the end of the paper to the wall using a construction stapler. Faq s acronym s terminology to tyvek or not to tyvek that is the question. Check that it is level and aligned and drive staples or cap nails. Use tyvek over building felt under siding.

Position the next course of tar paper farther up the roof so that its lower edge overlaps the upper edge of the paper in the first course by 1 foot. The walls are intended to dry to the outside. Some roofers prefer to attach felt underlayment with 1 inch roofing nails or special nails with plastic washers but most codes allow staples which are easier to drive. The house will have a rain screen gap made of strips of pt plywood.

I saw a new house with felt paper under the siding rather than tyvek. Hold a roll of felt paper against the left edge of the wall with the top end of the roll aligned with the chalk line. Our new build house has been standing without siding for two years. Before applying roofing you ll need to cover the sheathing with roofing felt also often called tar paper most local codes call for using 30 pound felt.

You want any water that does get behind the siding to run down and never be allowed to get near any wood. I want to replace the tar paper but i can t find it at homedepot or lowes. We re in the coastal rainforest of southeast alaska very wet. Another great installation tip is to make sure the first strip of tar paper is installed so it overlaps the top of the foundation at least an inch.

Working with a helper unroll the paper so it is about 2 inches below the sill plate and pull it taut. Install all subsequent courses with the same overlap until the top edge of the paper is within 6 inches of the roof s peak.