Leach 1.25oz F26 Heavy Duty Construction Adhesive

Wet, underwater and dry instant Adhesive.

ASMACO INSTANT GRAB is an easy-to-use for dry, wet and underwater, for high strength, elastomeric product which can serve as both adhesive and sealant. It is a waterproof glue that instantly bonds, seals and repairs virtually everything. This adhesive’s instant grab capability holds objects in place and, in most cases, eliminates the need for fixtures. It cures in 24-48 hours and reaches maximum strength in 7 days. No need for screws or nails, it’s perfect for all types of bonding, sealing and repairs. The special high performance I-Tech Sealant formulation provides excellent underwater bonding and sealing capability and Asmaco Instant Grab can be used to seal water leakages without draining.

Easy to use
Can be used on dry or wet surfaces
Can be applied underwater
Strong instant grab adhesive that locks into place and holds on tight.
Permanently flexible
Non sag
Can be applied to overhead surfaces
VOC compliant
Excellent resistance to chemicals micro organisms
UV and weathering resistant
Low odor adhesive

ASMACO Instant Grab Adhesive is a DIY product that can be used also in many forms of construction & Building including structural joints in heavy cladding, structural movement joints in floors and floor joints in heavily trafficked areas. It bonds well under water and has excellent grab on porous substrates. It can also be used in industries such as signage, marine, shop fitters
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etc. Asmaco Instant Grab is best suited for applications viz. household trim and molding, tile bonding and sealing, underwater bonding, underwater sealing and repair, bonding landscape blocks, paneling installation, sealing showers / pipes and baths, countertops & cabinets installation and repairs, bonding back splash to walls, window & door installation and sealing, masonry Sealing, installing wall stone, pool tile fixing and repairs, home exterior fixing and repairs, gutter sealing, roofing applications and repairs, HVAC sealing and repairs, marine & automotive applications and repairs, DIY projects, emergency adhesive and sealant repairs Recommended surfaces: Metals, Wood, Foam, Rubber, Tile, Ceramic, Marble, Porcelain, Glass, Granite, Brick, Concrete, Stucco, Plaster, Stone, Masonry, dry wall, Fiberglass, Some plastics & vinyl’s, composites, PVC, EPS, EPDM roofs etc. Typical

The joint surfaces must be clean, dry and free from all contamination. The surfaces should be de-greased using the appropriate solvent. Cut off tip of the cartridge, leaving thread intact. Screw on the nozzle and cut nozzle to the required size. Insert cartridge into a standard size caulking gun and squeeze trigger. Apply liberally to one side of the surface being bonded and apply firm pressure continuously for a minimum of 10-30 seconds for instant grab to take place. In some applications, clamping may be required. If needed, the bonded objects can be repositioned within 10 minutes of application. Allow 24-48 hours for curing. Will reach maximum strength in 7 days


F26; 1.25 OZ; Heavy Duty Construction Adhesive; Premium Grade; Waterproof; Quick Tack; Fast Grab; Can Be Used For Subflooring; Paneling; Plywood; Bathroom Fixtures; Insulation; Furring Strips; Chip & Wall Board; Marble Sills; Moldings; Trims; Signs; Name Plates; Brick & Stone; Easy To Use In All Weather Conditions; AFG-01 Approved; Carded.

Premium grade, heavy-duty, professional quality construction adhesive. Bonds practically all construction materials including: wood sub-floor, metal-stud walls, door saddles and thresholds, metal moldings, fiberglass and fiberboard, loose brick or tile, and large panels of plywood, particle board, and more. After it is cured, it actually toughens with age. Bond is not affected by vibration or flexing. Fills gaps to bridge irregularities and voids in projects. Applies easy and dries fast in any climate. Bonds to wet or frozen lumber and withstands climate extremes from sub-zero temperatures to hot desert sun. Holds parts in place with only momentary pressure. Smears will not bleed through paint. Exceeds APA AFG-01 specifications and HUD/FHA use of materials bulletin No. 60. Color: Buff.

  • Bonds even when items are wet and/or frozen
  • Withstands climate extremes. Product can be used from 0⁰-120⁰F (-18⁰- 49⁰C). Finished product service temperature from -20⁰-150⁰F
  • Not affected by humidity
  • Shear strengths in lab & field have shown F-26® is the most powerful & longest lasting premium quality construction adhesive
  • After applying product to one surface, join the two materials to be bonded, pull apart for 15-40 seconds, then re-join. Parts are held in place with only momentary pressure and have fast hold. Majority of bond is achieved after 24 hours, but will continue to strengthen for up to a week
  • After cure bond will stay flexible & strengthen with age
  • Bond not affected by vibration or flexing
  • Fills gaps to bridge voids & irregularities
  • Smears will not bleed through paint
  • Storage capacity over 12 months
  • Exceeds standards AFG-01, ASTM-C-557-73, FHA/HUD #60




  • Home Construction, remodel, repair
  • Subfloors: Eliminates squeaks, long lasting, stays flexible over time. Covers approximately 275-325 sq. ft. of plywood floor installations per gallon of F-26®
  • Metal stud walls
  • Door saddles & thresholds
  • Metal moldings, electrical outlet boxes, name plates, stair treads, signs, shelving brackets
  • Fiberglass & fiber board
  • Loose bricks, tile, simulated brick
  • Plywood, particle board, paneling
  • Felt & fiberglass pads, indoor & outdoor carpeting
  • Decks & treated lumber
  • Not recommended for polystyrene foam & tub enclosures. See our product F-13®
  • Tilt-up concrete: Reveal strip attachment when molding
  • Outdoor Rock, concrete, pavers
  • Garage Doors: Metal brackets