Back to Shop

Sansin SDF Foundation

Sansin SKU: OSASDFC378

For use on siding. Exterior use only.

To view pricing and availability, select a product configuration below.

Product total
Options total
Grand total


- +

Sansin SDF Foundation is a penetrating base coat that protects wood from water damage, rot, and decay. Its deep-penetrating formula ensures that the wood is protected from the inside out, providing long-lasting protection against the elements.

Returns and exchanges are accepted within 30 days of the date of purchase.

To be eligible for a return or a replacement, your item must be unused and in the same condition that you received it, in the original packaging (if applicable), and accompanied by a receipt or proof of purchase. The customer is responsible for all shipping charges on returned items. Read our full return policy.