Prymax Pond Sealer - Clear

Prymax Pond Sealer - Clear 1kg
£31.99 (In stock)
Prymax Pond Sealer - Clear 2.5kg
£66.99 (In stock)
Prymax Pond Sealer - Clear 5kg
£119.99 (Available)
Prymax Pond Sealer - Clear 20kg
£329.99 (Available)

Product Description


Prymax Pond Sealer - Clear

A specially formulated single pack moisture cured polyurethane sealer for sealing concrete rendered ponds under the water line, Prymax Marine Clear Seal should be used above the waterline and for paving around the pond. For damp proofing internal render, plaster, plasterboard and sealing dusty concrete floors, can be used externally on walls if overpainted to protect from UV. Can be used to coat internal woodwork.



  • One pack, ready for use.
  • Hard wearing, durable and long lasting.
  • Non-absorbent, easily cleaned reducing maintenance.
  • Unaffected by water, oils and most common chemicals
  • Quick and easy application.


Technical information:

Prymax Pond and Damp sealer is designed to be applied in 3 thin coats with the second and third coats being applied when the previous coat is finger tacky like strong Sellotape or touch dry, for colours, paint two coats of clear followed by two coats of colour all applied within three hours of each other, if more than three hours has elapsed then it must be left for 24 hours and sanded down before applying further coats. 


  • Coverage:  3 coats of clear (500gms for the 3 coats), for colour (400gms of clear for 2 coats and 400gms of colour for 2 coats).
  • Drying Time: 45 – 60 minutes @ 20°c / 70% relative humidity
  • Full Cure & Chemical resistance: 72 hours
  • Light Traffic: 12 hours
  • Shelf Life: 24 months in unopened sealed container, once opened product will begin to cure.
  • Flash Point:  27°c
  • Viscosity: 250-500 cps
  • Specific Gravity: 0.95
  • Cleaning: Clean equipment with Prymax thinners, prymax cleaner or acetone



All surfaces to be coated must be dry and porous new concrete render should be given 21- 28 days to fully cure before coating, if a water proofer has be added to render sand down surface to obtain a key and remove residual water proofer, repair any cracks in the surface before coating, remove any loose plaster.



Prymax Pond / Damp Sealer is not recommended for hard dense tiles or power floated floors, bitumen, rubber, vinyl and other plastic flooring.



Courier Delivery: Next Working Day Service (for in stock items)
Courier Delivery Saturday Delivery Service
Royal Mail - First & Second class: 1-3 Working Day Service

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