Gap Between Shingles And Siding

Improper installation of flashing where roofing shingles meet vinyl siding.

Gap between shingles and siding.

Leave a 1 8 gap between the siding and the trim or other materials to allow for structural movement. Maintain an ample drainage gap between the wall shingles and the roofing material. With the air gap we get drainage and the control of hydrostatic pressure. Half log siding is 3 inches thick between 6 and 12 inches wide uniform width within an order and 8 to 16 feet long.

I m in a townhouse. Often wind driven rain comes in from above the roof especially around windows between corner boards and siding and through cracks and knotholes in siding. Because not all split logs are the same size. Dormer walls provide lots of spots where water can dribble down and enter the roof.

Can someone tell if there is a building code that discusses the height of the gap between wall siding above an adjacent roof and the shingles and where to find it if it exists. Caulk can be old cracked or even missing between the corner boards and between window edges and siding. It creates an air gap between the back of the metal and the shingle roof which allows for airflow. Boards and shingles while somewhat expensive are not quite the price of split log which runs between 2 50 and 5 50 per sq.

Improper installation of flashing where roofing shingles meet vinyl siding. Why the wide range. Synthetic stucco photograph 8. My roof ends at the neighboring wall.

In a previous article nailing wide shingles q a oct 17 i mentioned that while i m shingling a wall i set aside any shingles more than 8 inches wide specifically. To keep the shingles plumb without having to plane them every box of shingles i ever saw whether primed or clear say to gap cedar shingles are usually stored inside until delivery so they are relatively dry but they swell when they get wet. Costs more money than just installing new underlayment over the shingle roof. Do not caulk between siding and any built in receiving channels located at or around windows.

Providing an air gap between the stucco cladding and the exterior face of the foam sheathing prevents the debacle we got with face sealed exterior insulated finish systems a k a. Always prime or paint any cut edges that are inserted into a window j channel. Never put a gap on one never seen anyone put a gap on one never gave it any thought but the reasoning for the gap usually on roof shingles is that the shake becomes wet won t dry out and will rot and decay faster without such a gap siding shingles ought not to have that problem. Vertical trim gap caulking.

Always caulk between the siding and the trim.