Attic Wood Leaking Sap

You should be able to determine the adequacy of the attic ventilation by direct observation of the ventilation system.

Attic wood leaking sap.

Attic ambering refers to wooden beams in the attic having sap leak out. Similarly when a tree is damaged the sap can bleed out. Sap on boards can be a problem. Hopefully not on your hands as you steady your walk through the attic.

When it is wet it is sticky and can rub off on clothing or attract dust and dirt. We see more of this sap staining when the wood used for framing was not kiln dried before construction. Turpentine works perfect for this purpose and it will not damage the quality of the wood. Sfogarty sean fogarty february 25 2016 3 40am 6.

Much of the wood produced for framing lumber has pitch pockets or areas of crystalized resin. These materials slow the leakage by clogging the wood grain pores but will not stop it completely. Is this normal for this kind of wood and is this cedar. There s a couple support boards for the roof in my attic that have sap dripping out of them.

Sanding blocks help smooth large flat areas. Like kevin said the attic heat restores this to a liquid form and it flows out. The sap when in live trees carries nutrients throughout the tree that helps to keep it alive. Sand the wood surface with fine 220 grit sandpaper to smooth the grain and remove any crystallized sap.

The sap feels pretty solid to the touch and not really sticky. To prevent sap from leaking out of deck boards it needs to be finished with paint stain or deck waterproofing. Use a coarse plastic sponge to scrape the oozed resinous compounds and go over the surface of the wood with a clean towel. Treat the knot areas with extra coats of the finishing material.

Use a handheld oscillating fitted with. It s sap crystals that have been extruded from the wood due to high attic temperatures. Imgp3939 by r0ckstarr on flickr. Some wood has an abundance of sap in it.

For a start you need to clean all the sap which is gradually crystallizing on the top of the affected wood. Sap can caused a problem on decks and in houses where wood beams are used for support.