Everbuild Everflex® 700T LMN Silicone is a fast, neutral cure, low modulus silicone sealant specia...Everbuild Everflex® 700T LMN Silicone is a fast, neutral cure, low modulus silicone sealant specially formulated for the PVCu and roofline industry. It is formulated to resist mould and bacterial attack and is suitable for perimeter pointing window and door frames, sealing plastic roofline areas and general weather sealing.
This guide is for builders, roofers, and DIY enthusiasts who need a reliable, fast-curing silicone sealant for PVCu and roofline applications. The Everbuild 700T LMN Silicone in black offers excellent mould resistance and a neutral cure, making it ideal for weather sealing and perimeter pointing around windows and doors. A key benefit is its adhesion to common building substrates without the need for a primer. However, users should be aware that while it's formulated for PVCu, compatibility with other plastics should always be tested.
All features
Colour
Black
Model Part Number
A0021/2
Brand
Everbuild Sika
Extended Product Information
FAQs
What is the cure time for Everbuild 700T LMN Silicone?
The sealant typically skins over in 10-20 minutes and achieves a full cure within 24 hours, depending on bead size and environmental conditions (temperature and humidity).
Can this silicone sealant be painted over?
No, Everbuild 700T LMN Silicone is not designed to be painted over once cured.
Is this sealant suitable for interior use?
Yes, it is suitable for interior use, especially in areas prone to dampness like bathrooms or kitchens, due to its mould-resistant properties. Ensure good ventilation during application.
What is the shelf life of the product?
Unopened cartridges typically have a shelf life of 12 months when stored in cool, dry conditions away from direct sunlight.
How should I clean up uncured sealant?
Uncured sealant can be wiped away with a damp cloth. For more stubborn residue, mineral spirits can be used, followed by a wipe with a damp cloth.
What is the difference between neutral cure and acetic cure silicones?
Neutral cure silicones, like the 700T, cure without releasing strong odors and are less corrosive to metals. Acetic cure silicones release a vinegar-like smell during curing and can be corrosive.
Troubleshooting
Sealant not extruding from cartridge
Ensure the cartridge's inner seal is punctured and the nozzle is cut to size. Check that the sealant gun is functioning correctly.
Poor adhesion to surface
Verify the surface is clean, dry, and free from dust, grease, or contaminants. Re-apply after proper surface preparation.
Sealant skinning too quickly before smoothing
Work in smaller sections, apply the sealant, and smooth it immediately. Ensure good ventilation but avoid direct drafts which can accelerate skinning.
Mould appearing on sealant after application
While formulated for mould resistance, severe conditions may still lead to growth. Ensure adequate ventilation in the area and clean with a mild detergent. Re-application with a fresh cartridge may be necessary in persistent cases.
Pros and Cons
Pros
Fast curing time speeds up project completion.
Neutral cure is less corrosive and has minimal odor.
Excellent resistance to mould growth in damp environments.
Specifically formulated for PVCu and roofline applications.
Good adhesion to common building materials without primer.
Cons
Primarily designed for PVCu; test on other plastics is recommended.
Not suitable for certain food-contact applications.
May require masking for very neat finishes on some surfaces.
Once cured, it cannot be painted over.
Setup, Compatibility & Care
Setup:
Ensure the application area is clean, dry, and free from dust, grease, and old sealant.
Cut the nozzle to the desired bead size.
Insert the cartridge into a standard sealant gun.
Apply a consistent bead of sealant along the joint.
Smooth the bead immediately using a wet tool or finger.
Compatibility:
Ideal for use on PVCu, aluminium, glass, brick, concrete, and painted surfaces.
Always test on a small, inconspicuous area if unsure about compatibility with specific plastics or painted surfaces.
Not recommended for use on asphalt, bitumen, or EPDM rubber.
Care:
Clean uncured sealant immediately with a damp cloth. Use mineral spirits for stubborn residues.
Once cured, the sealant can be removed mechanically. For difficult removal, specialized silicone removers may be required.