Bond It Seal It Roof Seal Bleed Blocker Primer


£21.50 inc. VAT
£17.92 ex. VAT

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  • Suitable For: preparation of bitumen surfaces and roofing felt
  • Area of use: EXT
  • Application Method: brush/roller
  • Volume: 2.5L
  • Container Type: tin
  • Type: primer
  • Colour: light blue
  • Brand: Bond It
  • Manufactuer: Bond It
  • Box Size: 1

 

Bond It Seal It Roof Seal Bleed Blocker Primer is a solvent-free primer is designed to prepare bitumen surfaces for the application of Roof Seal Liquid Membrane or Easiseal Pro Weatherproofing Compound. It enhances the bond strength of these products to bitumen, asphalt, and felt substrates, ensuring a durable and effective seal. The primer is quick and easy to use, and it also blocks surface staining from bitumen coatings.

 

  • Enhances bond strength to bitumen, asphalt, and felt substrates.
  • Quick and easy application.
  • Blocks surface staining from bitumen coatings.
  • Suitable for Roof Seal Liquid Membrane and Easiseal Pro.

 

 

 

For all other Bond-it products on our website, please click here. For our full range of roofing products, click here.

For any further information you may need on Bond-it, please visit their website here.

 

 

Bond It Seal It Roof Seal Bleed Blocker Primer improves the adhesion of Seal It Liquid Membrane and Easiseal Pro to bitumen, asphalt, and felt surfaces. Easy and fast to apply. Prevents surface staining from bitumen coatings.

 

APPLICATION

Application Conditions

  • The temperature during the primer application must be above 5°C.

Preparation and Application

  • The primer is light blue to identify treated areas.
  • Stir BLEED BLOCKER before use to ensure the pigment and polymer are fully dispersed.
  • Apply a single coat of SEAL IT BLEED BLOCKER with a brush or roller, following the coverage rate to ensure the minimum thickness is achieved.
  • Allow it to fully cure, typically overnight, though cold weather may require up to 48 hours.
  • The product dries to a light blue film.
  • If a second coat is needed, apply it only after the first coat has fully cured.

Coverage and Curing

  • Ensure complete coverage of bituminous materials with SEAL IT BLEED BLOCKER before applying SEAL IT LIQUID MEMBRANE.
  • Pay special attention to rough surfaces like bitumen felt, as any gaps in primer coverage can cause product failure.
  • Bitumen-based surfaces need at least two coats of primer to prevent SEAL IT LIQUID MEMBRANE system failure.
  • Seams and edges might require a third coat, or you can use SEAL IT CRACKS AND EDGING SEALER (refer to its TDS).

Final Application

  • Proceed with SEAL IT LIQUID MEMBRANE or EASISEAL PRO as per the technical datasheet or packaging details.
  • Using SEAL IT REINFORCING MAT within the SEAL IT LIQUID MEMBRANE coating can extend the product’s lifespan over bitumen substrates.

Testing and Compatibility

  • Test a small, discreet area (approximately 1m²) with SEAL IT LIQUID MEMBRANE before full application to check for adverse reactions with the substrate.
  • Any color of SEAL IT LIQUID MEMBRANE or EASISEAL PRO can be used after proper primer application, though incomplete coverage or water-based bitumen coatings may cause discoloration.

 

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Elementlength
up to
1,5 m
up to
2,5 m
up to
3,5 m
up to
4,5 m
up to
2,5 m
up to
3,5 m
up to
4,5 m
Type of window frame material Minimum witdth of joints
for a butled mounting b in mm
Minimum witdth of joints
for a inner mounting b in mm
Hard PVC (white) 10 15 20 25 10 10 15
Hard PVC and PMMA (dark)
(colour extruded)
15 20 25 30 10 15 20
Hard PUR integral foam 10 10 15 20 10 10 15
Wood-aluminium-window 10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (bright)
10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (dark)
10 15 20 25 10 10 15
Wooden window frame 10 10 10 10 10 10 10

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