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A waterproofing, fibre reinforced liquid acrylic resin dispersed in solvent designed to prevent the ingress of water on flat roofs, pitched roofs, weathered asphalt and bituminous surfaces, gutters, concrete, brickwork, fibreglass, felt and metal (galvanised and ferrous).
- Excellent adhesion ‐ instant protection - no wash‐off
- Available in black, white and mid-grey
- Excellent solar reflectivity (white & grey)
- Reinforced membrane
- Fully flexible - economical - bridges small gaps
- Also available in a fibre-free formula (colours: white, mid-grey, opaque)
Description
One Coat Instant Waterproofing Protection of Flat and Pitched Roofs, Roof Lights, Flashings, Fibre Cement Sheeting, Gutters, Slate, Asphalt, Lead, Metal and Roofing Felt (Primed).
Cromar Cromapol Acrylic Roof Coating is a fibre reinforced liquid acrylic resin dispersed in solvent designed to prevent the ingress of water. Bridges small gaps and requires only a one coat application to give instant waterproofing.
Available in a fibre-reinforced formula (Mid-Grey, Black, White), and in a fibre-free formula (White, Mid-Grey, Opaque).
Quick Links - Click To Jump To Section:
- Features & Benefits
- Application
- Drying Time
- Coverage
- Shelf Life
- Storage Conditions
- VOC Details
- Limitations
Features & Benefits
- Excellent Adhesion ‐ Instant Protection
- No Wash‐off
- Excellent Solar Reflectivity (White & Grey)
- Reinforced Membrane
- One Coat Application ‐ Seamless
- Fully Flexible
- Economical
- Fibre reinforced liquid acrylic resin
- Designed to prevent the ingress of water
- Bridges small gaps
Application
- Clean all debris to ensure a dust free surface. All moss and lichen must be removed using AlphaChem Fungicidal Wash, ensuring all corners and gutters are clean and free from plant growth.
- Ensure the area to be repaired is free from standing water, make good all cracks, splits, small holes and flashings prior to application. Gap or expansion joints greater than 3mm must be covered using Glass‐Fibre scrim and Cromapol. This must be carried out prior to full coating.
- Cromapol will tolerate damp surfaces although as with any application for best results Cromar recommend applying to a dry surface.
- Cromapol is easily applied using a brush, roller or squeegee.
- These application instructions are for guidance only and do not constitute any warranty of product performance.
- Comprehensive application instructions relating to specific surfaces and uses may be obtained on application to Cromar Building Products.
- Whilst every endeavour has been made to ensure that this information is reliable, we cannot accept any liability for loss, injury or damage which may result from its use.
- Application temperature should be between 5℃ ‐ 25℃.
Drying Time
Drying time up to 1 week depending on temperature and thickness of coating. The product maybe soft for a further period but this is not detrimental to the waterproofing qualities of the product.
Coverage
1 – 2 kg per m² on average.
40°C flashpoint.
Shelf Life
12 months in undamaged, tightly sealed containers.
Storage Conditions
Cromapol should be stored indoors between 5°C ‐ 20°C away from sources of ignition and naked flames etc. Store away from children.
VOC Details
EU Limit for this product CAT. 2(i) : 500g/l (2010). This product contains max. 459 g/l VOC’s.
Limitations
- Cromar strongly recommends inspecting the surface and carrying out adhesion tests to any existing coating or substrate prior to the application.
- Not for use in areas where solvent or oil contact is likely, or on walkways, balconies, timber and new concrete.
- It is the users responsibilty to determine suitability for use. If in doubt please contact our technical team on 0113 2455450 (option 2) or send a message to [email protected]
- N.B. Slight oily separation may occur in unopened containers over 8 months old. This is normal, is easily stirred back into the product, and in no way affects its performance.
- It is the user’s responsibility to ensure suitability for use. Safety Data available on request.
- Read the label carefully for essential health and safety information prior to use.
Product Details
5293-867554
Data sheet
- Manufacturer
- Cromar
- Interior / Exterior Use
- Exterior Use
- Water / Solvent Based
- Solvent
- For Use On
- Fibre cement, slate, asphalt, lead, metal, felt
- Application Method
- Brush, Roller, Squeegee
- Colour
- Standard / Ready Mixed
- Single, Two or Three Pack
- Single
- Pack Size
- 1KG, 2.5KG, 5KG, 20KG
- Coverage
- 1 – 2 kg per m² on average.
- Max. Application Temperature
- 25℃
- Min. Application Temperature
- 5℃
- Shelf Life (from date of manufacture)
- 12 months in undamaged, tightly sealed containers.
- UN Number
- UN1263
- Base Type
- Solvent-Based
- Suitable For Use On
- Flashings
- Suitable For Use On
- Pitched Roofs
- Suitable For Use On
- Slate
- Suitable For Use On
- Roofing Felt
- Suitable For Use On
- Roof Lights
- Suitable For Use On
- Flat Roofs
- Suitable For Use On
- Fibre Cement Sheeting
- Suitable For Use On
- Asphalt
- Suitable For Use On
- Lead
- Suitable For Use On
- Gutters
- Suitable For Use On
- Metal
- Application Method
- Brush
- Application Method
- Squeegee
- Application Method
- Roller
- Usages
- Fibre-Reinforced
- Product Usage Type
- Repair
- Product Range
- Cromapol
- Colour Family
- Black
- Colour Family
- Grey
- Colour Family
- White
 Dee on 2024-09-26 13:59:47 | Question:
Hi, I have used a waterproof silicone to fill in gaps on my aluminium garage roof, can I used this product on top for extra protection. |
Answer from Rawlins’ Technical Team:
No, this product wouldn't be recommended for use over a silicone based product due to a lack of adhesion. Assuming the surface is clean, dry, sound and prepared as detailed in the technical datasheet, you could consider Cromar Hydrosil Silicone Roof Coating as a suitable alternative. | |
| Stephen Carroll on 2024-08-12 15:59:41 | Question:
Can this product be applied directly to the top of a concrete council house door canopy? I'm looking to prevent water being absorbed into the canopy on the top side, which finds it's way to the underside of the concrete door canopy, ruining the paint finish. Also, can the product be painted over with a good quality masonary paint? Thanks. |
Answer from Rawlins’ Technical Team:
Assuming the concrete canopy is clean, dry, sound, free from all surface contaminants and is prepared as detailed in the technical datasheet, this product could be applied to the canopy, helping to prevent the water absorption. We would suggest to check the flashing as this may also be the cause. However, it isn't designed to be overpainted with masonry paint once applied, for general maintenance you can re-coat with this product as/when required. | |
| Ian on 2023-11-10 02:05:22 | Question:
If you use this product to temporarily seal anewly boarded roof prior to rubberised . Will the adhesive to secure rubber membrane adhere to it .Thanks. |
Answer from Rawlins’ Technical Team:
For this type of application, Cromar Cromapol wouldn't be suitable as the adhesion properties of the rubber will not stick to this product, and will repel the moisture. | |
| Trevor Mellor on 2023-09-20 17:56:07 | Question:
Could I paint over the cracks and use the fibreglass scim first the let it dry . Then coat the complete concrete pad. Can I also redo this after a couple of years? |
Answer from Rawlins’ Technical Team:
Thank you for the enquiry, please can you contact [email protected] with more information and pictures of the roof in question so we can assist. | |
| Paul Baker on 2023-02-26 21:09:33 | Question:
Can this be used on a concrete roof if so does it need primer |
Answer from Rawlins’ Technical Team:
Assuming the concrete roof is clean, dry, sound and prepared as detailed in the technical data sheet this can be applied directly without a primer. | |
| Keith Colbourne on 2023-02-20 13:43:04 | Question:
Hi, I have applied a thick Chromapol coating on the 5" inside upstand and 5" on the inside Asphalte floor of a conservatory door entrance, approx 1 mtr wide. What can l permanently put over the sticky Chromapol so the vinyl floor laying over, won't stick to it? Thought of adhesive backed aluminium tape Chromapol is and absolutely "Brilliant" product. Thank you Keith |
Answer from Rawlins’ Technical Team:
Unfortunately we would not recommend this product for this application, it is designed as an emergency roof repair product. This stays tacky to the touch and we do not have a product to recommend to over paint this. | |
| Tony Edwards on 2022-11-24 13:39:48 | Question:
Could this product be used to waterproof around the floor edge of a mobile home? This would be applied underneath to create a seal between plywood (the side) and dense chipboard (the floor) and would not be overprinted. |
Answer from Rawlins’ Technical Team:
Thank you for the enquiry, please can you provide more information and pictures of the areas in question to [email protected] and we can assist with a recommendation. | |
| Graham Kiely on 2022-04-05 16:07:58 | Question:
Can you tell me what type of roller I can use, short or long hair/ or sponge |
Answer from Rawlins’ Technical Team:
We would recommend a medium pile roller such as these Roller Sleeves. | |
| William guthrie on 2022-02-24 17:17:29 | Question:
Hello Would this be OK to use as an undercoat on plywood to make it waterproof,which would then have two coats of finish paint.? |
Answer from Rawlins’ Technical Team:
No, this is not designed to be overpainted. | |
| Jason on 2021-10-30 09:43:28 | Question:
Hi is this suitable for a whole flat roof |
Answer from Rawlins’ Technical Team:
Assuming the substrate is compatible, not trafficked, yes it can be used for a whole flat roof. If you are looking for a longer lasting solution with the benefit of guarantee's we also stock a range of kits here. | |
| Mike Conway on 2021-09-16 09:26:14 | Question:
I have treated the required area of my caravan roof and have a small amount left over, would it benefit from a 2nd coat once 1st coat is dry. Thanks, regards, Mike |
Answer from Rawlins’ Technical Team:
The recommended coverage rate is 1-2kg per m² we would recommend applying it at this rate, but a second coat can be applied once dry. | |
IMPORTANT SHIPPING & DELIVERY INFORMATION
Cromar Cromapol Acrylic Roof Coating - Fibre Reinforced is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT