DIY Frequently Asked Questions / Synthetic Rubber Caulk')">
A relative newcomer to the caulk category, synthetic rubber caulk is perhaps the most flexible product on the market.
Cures clear and is ideal for exterior joints that typically expand and contract.
Can be applied in adverse weather conditions (wet and cold).
Stretches easily without breaking and recovers easily.
Great for use on roofs, wood siding and joints that frequently show movement.
Can be painted with latex paint.
Due to higher VOC content, can’t be used indoors in some parts of the country, although manufacturers have introduced low VOC formulations to the marketplace.