Chemlink DuraLink 35 Siding/Window/Door/Roof Sealant

Starting at: $7.00

some colors Backordered inventory no ETA due
to nationwide raw material shortages.


ChemLink DuraLink 35 is an extremely elastic, moisture-cured sealant designed for use where joints are subject to movement. It resists dirt pickup and does not shrink or crack. DuraLink 35 is available from us in 3 colors, is paintable and can be applied at low temperatures. DuraLink 35 bonds with almost anything, including: acrylic, epoxy, galvanized steel, anodized aluminum, copper, vinyl siding and windows, wood, polystyrene foam, fiberglass panels, damp masonry and even difficult surfaces like Kynar 500 PVDF-coated materials.


  • Solvent Free – 100% solids will not shrink
  • Non-slump – Chemlink DuraLink 35 Can be applied vertically and overhead
  • Fast Dry Times – 40 minute skin over and paintable within 24 hours
  • No out-gassing on damp surfaces
  • Color stability – will not fade in the sun
  • Flexible – 35% joint movement +/- without separation
  • Application at temperatures as low as 32°F (0°C).

  • ASTM C920, Type S, Grade NS, Class 35, Uses NT, T2, M, G, A & O
  • Federal Specification TT-S-00230-C Type II, Class B
  • Corps of Engineers CRD-C-541, Type II, Class B
  • Canadian Standards Board CAN 19, 13-M82
  • Conforms to OTC Rule for Sealants
  • Meets requirements of California Regs: CARB, BAAQMD and SCAQMD
  • Does not contain any cancer causing chemicals listed in California Proposition 65
  • Conforms to USDA Requirements for non-food contact
  • LEED 2.2 for New Construction and Major Renovations: Low Emitting Materials (Section 4.1) 1 Point
  • NAHB Model Green Home Building Guidelines: 5 Global Impact Points
  • VOC Content: less than 22 grams / liter ASTM D2369 EPA Method 24 (tested at 240° F (115° C)


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