Cedar Siding Underlayment Moisture Control

Moisture penetrates even the most carefully installed and sealed exterior siding in several ways.

Cedar siding underlayment moisture control.

They do not absorb water are not a food source for mold and are not subject to moisture related damage and deterioration. It wicks up from beneath trickles in from above and blows in. For cedar shakes your best bet is to go with a synthetic blend of asphalt mixed with fiberglass for added fortification against moisture. For optimum performance use cedar breather with rapid ridge 7 ridge vent.

The one aspect with cedar siding to remember is that it is wood product and needs to be handled with some specific care. The first underlayment is a waterproof ice and water membrane that is installed along the perimeter on the roof to protect a roof from ice damming in snow zone areas read more on ice dams here as well as areas where roof planes meet to form valleys which naturally channel high water flow in wet weather and other roof penetrations such as. Greenguard s siding underlayment is designed to be sized and installed quickly and painlessly. Vinyl siding is lightweight easy to cut and easy to install which makes it the natural choice for contractors.

I don t know jim we don t have basements here i have built a lot of homes on upslope lots with walkout basements and we put studs 2 inside the back concrete walls with fiberglass in them then try to get some air from the side into the 2 gap to dry the area out if moisture does get through. Their underlayments are made with a special non slip coating on each side for maximum safety during installation. Made of extruded polystyrene xps our underlayments provide superior moisture resistance and are perforated to allow moisture vapor to escape. Available in fanfold bundles where the insulation is crimped and folded to ensure it lays flat the underlayments are made of closed cell polystyrene which creates the ultra smooth.

How to moisture proof siding. 2 minutes cedar siding is a beautiful addition to any home adding character and charm. Barricade offers some of the best underlayments for cedar shakes on the market. Install the felt paper with minimum 6 inch overlaps on vertical joints 2 inches on horizontal laps and 4 inches wrapped each way at inside and outside corners.

The cedar shake and shingle bureau recommends installation over type 30 asphalt felt underlayment for red cedar shingles and shakes. Cedar breather ventilated underlayment cedar breather protects the beauty and life of wood roofing by providing a space for continuous airflow between the solid roof deck and shingles or shakes.