What to Look for in Exterior Caulk

The aim of a sealant, or caulk, on the outside of a house is to seal gaps that enable air and moisture to infiltrate the construction of the house.

That appears easy sufficient, however the actuality of constructing supplies is that they’re consistently shifting.

Modifications in temperature and humidity trigger them to repeatedly develop and contract which suggests the dimensions of these gaps are consistently altering.

Because of this the caulk filling these gaps is repeatedly being stretched and squeezed, so if it dries arduous it would crack inside a season or two as a result of motion. To have any longevity in an exterior atmosphere, a sealant wants to stay versatile even after it dries.

As a result of most properties are comprised of many various kinds of supplies, the gaps that should be stuffed are sometimes between fully completely different constructing supplies. So, a profitable exterior caulk additionally must bond, or adhere, nicely to all kinds of supplies and floor textures.

As a result of and exterior sealant may be very seen, it’s additionally vital for it to mix aesthetically with your own home. Some caulk choices are very versatile however can’t be painted and solely are available in a couple of colours. Whereas there are many “paintable” caulk choices, a lot of them dry comparatively arduous inside a couple of months. 

Resolution: Elastomeric Caulk

Elastomeric caulk is a good answer as a result of it has the power to stretch.

Titebond has addressed all these points with their new all-purpose exterior sealant referred to as TiteShield.

It’s an elastomeric caulk which, because the title implies, can stretch even after it’s fully dry. In truth, TiteShield can develop and contract as much as 50% of the joint measurement whereas masking gaps as much as two inches in width.

TiteShield additionally bonds nicely to quite a lot of constructing supplies from wooden and metallic to concrete and glass.

Plus, it’s obtainable in all kinds of colours however can be painted with strange latex paint.

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