After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.
Old roofing shingles soaked.
In snowy climates most new roofs these days get an ice and water shield a rubbery moisture membrane applied to the sheathing along the eave to protect against ice dams.
If the roofer scrapes the blister down and nails around the opening if the existing roof is gravel or of similar material.
Throughout this guide we ll discuss both.
Next place the rough side up and nail or glue the shingle centered onto the wood.
The roofing cement will resist possible leaks overnight.
The top coat is a layer of igneous rock granules wrapped in a ceramic pigment coating that protects the asphalt from uv rays.
Why not make diy stair grips using some of your old roofing shingles.
To do this simply cut the tile to the size of the step using a utility knife.
Not only that but it is also more cost effective than dumping.
Materials that can be created from recycled roofing substances include asphalt.
In new construction it is best to let the roof sheathing acclimate to local conditions before installing the roofing although this is not always practical.
Consider recycling your old shingles.
If the felt paper is rained on it s best to let it dry out before installing shingles.
Up from the valley center and cut through the shingles and underlayment.
In some cases recycling is in high demand for old roofing material.
3 tab roof shingles are one of the most commonly used shingle styles in north america.
This provides added protection against ice dams.
Browse owens corning roofing shingles by color shingle lines price features wind resistance and or warranty to find the right roof for your home.
If the underlayment is old and deteriorated it won t protect your roof deck from water that gets past the shingles.
Let s start with some of the most common roof shingle styles.
Nearly all shingles start as a fiberglass mat soaked with water resistant asphalt.
Some roofers install a layer of waterproof shingle underlayment wsu over the existing shingles at the eave end as would be done for a roof laid on bare sheathing.
If the roof is water soaked or badly deteriorated if blisters exist in any of the old roofing material.
When you hear the term asphalt shingles many times we are talking about standard 3 tab roofing shingles.
For the sake of aesthetic i left about 2 inches of the untouched stairs on each side of the tile.
Another cause of buckling can be wetting of the felt paper which will expand if it gets wet.