Ronseal Decking Grain Protector 750Ml


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£13.17 ex. VAT

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 Ronseal Decking Grain Protector 750Ml - Sealant Supplies Ltd
  • Brand: Ronseal
  • Manufactuer: Ronseal

Ronseal Decking End Grain Protector 750ml is a specially formulated treatment designed to protect the vulnerable end grains of decking boards from water ingress and rot. When applied, it seals the exposed wood fibres, helping to prevent moisture absorption that can lead to swelling, splitting, and long-term decay. Ideal for use during deck installation or maintenance, it dries clear and blends seamlessly with the natural look of the wood while enhancing durability. Easy to apply with a brush, this protector ensures your decking remains strong, stable, and resistant to the harsh effects of outdoor weather conditions.

Ronseal Decking End Grain Protector 750ml is specially designed to seal and protect the vulnerable cut ends of decking boards, where moisture is most likely to penetrate and cause rot. Applied directly to exposed end grain after cutting or installing decking, it forms a water-resistant barrier that helps extend the life of the wood by reducing splitting, swelling, and decay. Ideal for both new and existing decking projects, it’s easy to apply with a brush and dries quickly, making it a simple but essential step in maintaining strong, long-lasting outdoor timber surfaces.

Ronseal Decking End Grain Protector 750ml is designed to be applied directly to the cut ends of decking boards to seal exposed timber and prevent water ingress, which can lead to swelling, splitting, and rot. It is typically brushed onto clean, dry wood immediately after cutting, ensuring full coverage of the end grain for maximum protection. The product penetrates deeply into the wood fibres, forming a protective barrier that extends the life of the decking and maintains structural integrity. However, it is specifically formulated for end grain use only and is not suitable for coating the surface of decking boards or large timber areas. Its effectiveness depends on proper preparation and application—dirty, wet, or previously sealed wood may reduce performance. Additionally, while it offers strong moisture resistance, it does not replace regular decking treatments or finishes, and prolonged exposure to harsh weather without additional protection may still affect the wood over time.

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 Ronseal Decking Grain Protector 750Ml - Sealant Supplies Ltd  Ronseal Decking Grain Protector 750Ml - Sealant Supplies Ltd  Ronseal Decking Grain Protector 750Ml - Sealant Supplies Ltd  Ronseal Decking Grain Protector 750Ml - Sealant Supplies Ltd

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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