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READ NEXT: Our favourite flooring for your bathroom The best shower sealants to buy 1. Dow 785+ Bacteria Resistant Sanitary Silicone: Best all-round shower sealant Use pressure – If you’re sealing two pieces of metal together, you’ll need to apply pressure to ensure the sealant forms a strong bond. We recommend using a vice or clamp to hold the pieces together firmly. All surfaces must be clean and dry, free from dust and grease or, anything which may be detrimental to correct adhesion of the sealant. Residues of old sealant or other materials as well as mould on the substrate must be removed completely (if necessary, use a silicone remover). To get best sealing results it is recommended to mask off edges of the joint with masking tape before applying the sealant. Like most other sealants, it’s mould- and mildew-resistant, but it also contains a fungicide that will resist salmonella, E.coli and MRSA. Helpfully, it also comes in a couple of other colours – clear and grey – making it perfect for adding a really professional finish to any bathroom.
Clean surfaces – Clean surfaces thoroughly before using sealant, as residues can prevent a solid bond forming. You should also ensure surfaces are dry before application.whether the sealant needs to be paintable or not, and whether you need a sanitary sealant to protect your sinks, baths, showers etc. from mould. Use a primer where possible – Primers don’t have a very long shelf life, but they can help improve the adhesion of your sealant.
But once you know the basics, you’ll be able to choose the right sealant and sealant gun for the job and apply the sealant neatly so that your shower, bath or kitchen sink will stay in great condition for a long time.
When we think of sealant, we usually think of it as being used to seal around ceramic showers, sinks and bathtubs, or wooden window frames, door frames and skirting boards. But increasingly, more and more elements and items in our homes are made of durable plastics like polycarbonate and uPVC. And because accidents still happen and gaps still need filling with this modern material, a sealant that is compatible with plastics is a great item to have in your toolbox.
The most important step in learning how to apply silicone sealant: choose the right sealant for the job.
How to use a sealant gun for the first time
It’s suitable for indoor and outdoor use, sealing joints around sanitary fixtures and can be used on perimeter joints around window and door frames too. You can use it for glueing panels, skirting boards, thresholds and insulation materials. It can also be used to seal and bond glass, porcelain, coated metal, epoxy and polyester panels, covered polystyrene, PVCu, stainless steel, anodised aluminium and finished wood. Phew. While it’s somewhat dependent on the level of use your bathroom gets and how easy it is to ventilate, you shouldn’t need to replace sealant more frequently than every few years. However, a poor initial application will almost certainly lead to it needing to be replaced after only a year or so, maybe even less. What other equipment is required to use shower sealant? Prepare the area that needs to be sealed. This means ensuring that the area is free of dirt and grime, removing any left-over old sealant and making sure that the entire area is clear ready for you to get started. These sealants can be used for many, many DIY projects; from fitting skirting boards, picture rails or crown moulding, to sealing sinks, baths and showers.
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