Materials guide
Buying crackfiller,
specified like a pro.
We're an authorized Crafco distributor, and this is the guide we'd want as a buyer: what the product lines actually differ on, and how to match material to your pavement and climate.
Updated July 2026 · California Asphalt Professionals · CSLB C-32 #760658 · Ballpark figures are planning aids, not quotes — the free site walk produces the real number.
Hot-applied vs. cold-pour
The dividing line in the whole category. Hot-applied rubberized sealants (Crafco, DEERY, Flex-A-Fill blocks) melt around 380°F, bond to crack walls, and elongate with pavement movement — multi-year repairs. Cold-pour jug products are convenience items: no equipment, short life, acceptable only for tiny hairline touch-ups. If a supplier can't tell you the application temperature of what they're selling, they're selling you the jug.
Matching material to climate
Sealants are formulated for temperature ranges. The Central Valley's swing — 20° tule-fog mornings to 140° surface summers — wants a mid-range formulation with strong high-temperature stability so it doesn't track in July or shatter in January. Foothill and mountain properties (we stock for those too) shift toward softer, more elastic grades. Tell us the town; we'll pull the right pallet.
Quantity math
Figure roughly 150–250 linear feet of typical crack per 30-lb block, varying with crack width and depth. Walk your pavement, wheel-measure or pace the cracking, and buy with a block or two of margin — unopened blocks store fine for next season. For parking lots, a rough planning figure is 500–1,500 feet of crack per acre on a middle-aged surface.
Poreshield and the specialty shelf
Beyond crack sealants we stock Poreshield (a soy-based concrete durability treatment for joints and slabs) and related Crafco lines. Pickup at the Fresno yard on Floradora; pallet-volume delivery can be arranged. Contractor and volume pricing exists — ask. And if you'd rather not run a melter, the SS125 rental pairs with everything on this page.
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