Prisma Composite Preforms Hull Planks
Prisma Composite Preforms Prisma Composite Preforms
  • Prisma Composite Preforms Hull Planks

Prisma Composite Preforms Hull Planks

Prisma composite planks are manufactured and constructed from high quality fiberglass knit fabrics and 2 PCF flotation grade polyurethane foam using a patented process. Preform planks are suggested for use with core replacements, hull side stiffeners, and hatch & swim platform reinforcement.

Common installations usually only require a simple, three-step process. Wet out the underside of each Prisma beam, position them where desired, wet out the top side of each beam, roll the tabs, and you're done. Prisma preforms saves time, material, and labor costs on just about every installation.

IN STOCK - Available for pickup  
$14.23 / ea
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Tech Spec Product Info User Generated Content

Sold in 4ft Lengths

Product #  Base Width  Height  Top Width  Tabs and Base 
PRI-TR4005  5"  1/2"  4"  9 3/4" 
PRI-TR4007  4 1/2"  3/4"  3 3/8"  9 1/2" 
PRI-TR4010  4 3/8"  1"  3 1/2"  8 3/8" 
PRI-TR6008  6 3/8"  7/8"  5 1/2"  11 1/2" 
PRI-TR8008  6 7/8"  3/4"  5 1/2"  12" 


  • Suggested Applications: Core Replacement; Hull Side Stiffening; Hatch & Swim platform Reinforcement
  • Use only with marine resins: Epoxy, polyester or vinylester. Proper surface preparation prior to installation is critical to achieving structural integrity. Follow the resin manufacturer's directions
  • Failure to keep PRISMA products dry and clean prior to installation can decrease the structural integrity of this product.


BRAND: Prisma Composite Preforms
4.5 2

Just what I needed


Very easy to use, made the project better than good, would absolutely use it and recommend it to anyone again

Johnny Boy

Massapequa, N.Y.


Great Product


Used to under deck.


Mount Juliet, TN


Prisma Composite Preforms Hull Planks



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