Attic Wood Leaking Sap

The sap feels pretty solid to the touch and not really sticky.

Attic wood leaking sap.

Use a handheld oscillating fitted with. Like kevin said the attic heat restores this to a liquid form and it flows out. Sap on boards can be a problem. We see more of this sap staining when the wood used for framing was not kiln dried before construction.

Much of the wood produced for framing lumber has pitch pockets or areas of crystalized resin. It cooks out in the heat and eventually crystallizes. Some wood has an abundance of sap in it. It s sap crystals that have been extruded from the wood due to high attic temperatures.

Is this normal for this kind of wood and is this cedar. Turpentine works perfect for this purpose and it will not damage the quality of the wood. Treat the knot areas with extra coats of the finishing material. When it is wet it is sticky and can rub off on clothing or attract dust and dirt.

Use a coarse plastic sponge to scrape the oozed resinous compounds and go over the surface of the wood with a clean towel. Sap can caused a problem on decks and in houses where wood beams are used for support. To prevent sap from leaking out of deck boards it needs to be finished with paint stain or deck waterproofing. When it dries it hardens and becomes difficult to remove creating unsightly spots or bumps in the wood surface.

Hopefully not on your hands as you steady your walk through the attic. Imgp3939 by r0ckstarr on flickr. While there are complex chemical components found in tree sap it s easy to compare sap to blood. You should be able to determine the adequacy of the attic ventilation by direct observation of the ventilation system.

Sanding blocks help smooth large flat areas. The sap when in live trees carries nutrients throughout the tree that helps to keep it alive. Attic ambering refers to wooden beams in the attic having sap leak out. Similarly when a tree is damaged the sap can bleed out.

Sand the wood surface with fine 220 grit sandpaper to smooth the grain and remove any crystallized sap. Sfogarty sean fogarty february 25 2016 3 40am 6.