The aim of a sealant, or caulk, on the outside of a house is to seal gaps that permit air and moisture to infiltrate the construction of the house.
That appears easy sufficient, however the actuality of constructing supplies is that they’re continually transferring.
Modifications in temperature and humidity trigger them to repeatedly increase and contract which implies the dimensions of these gaps is consistently altering.
Because of this the caulk filling these gaps is often being stretched and squeezed, so if it dries exhausting it’s going to crack inside a season or two because of the motion. To have any longevity in an exterior atmosphere, a sealant wants to stay versatile even after it dries.
As a result of most houses are comprised of many various kinds of supplies, the gaps that must be crammed are sometimes between utterly totally different constructing supplies. So, a profitable exterior caulk additionally must bond, or adhere, effectively 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 house. Some caulk choices are very versatile however can’t be painted and solely are available a number of colours. Whereas there are many “paintable” caulk choices, a lot of them dry comparatively exhausting inside a number of months.
Answer: 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 utterly dry. In actual fact, TiteShield can increase and contract as much as 50% of the joint measurement whereas masking gaps as much as two inches in width.
TiteShield additionally bonds effectively to quite a lot of constructing supplies from wooden and steel to concrete and glass.
Plus, it’s obtainable in all kinds of colours however may also be painted with abnormal latex paint.