Cedar Siding Underlayment Moisture Control

Is underlayment necessary for cedar siding.

Cedar siding underlayment moisture control.

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. How to moisture proof siding. Vinyl siding is lightweight easy to cut and easy to install which makes it the natural choice for contractors. Moisture penetrates even the most carefully installed and sealed exterior siding in several ways.

Made of extruded polystyrene xps our underlayments provide superior moisture resistance and are perforated to allow moisture vapor to escape. For optimum performance use cedar breather with rapid ridge 7 ridge vent. 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.

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. Barricade offers some of the best underlayments for cedar shakes on the market. 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. For instance even though cedar is naturally resistant to moisture and to the elements in general which makes it the ideal natural siding material it is still sensitive.

They do not absorb water are not a food source for mold and are not subject to moisture related damage and deterioration. Greenguard s siding underlayment is designed to be sized and installed quickly and painlessly. 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. 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 is the nation s leading brand of siding underlayments. The one aspect with cedar siding to remember is that it is wood product and needs to be handled with some specific care.