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Red Brick

Sealant, Pointing and Water-repellent Treatments in Yorkshire

Northern Seal & Joint provides specialist sealant and repointing services, as well as water-repellent treatments, across Yorkshire. Covering Harrogate, Leeds, Bradford, Skipton and everywhere in between.


We handle everything from internal reseals to heritage lime repointing - always finished neatly, on time and made to last.

Old brick house

Our Professional Services

Kitchen Sealant
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Keep your kitchen watertight and spotless with professional kitchen sealant replacement. We reseal worktops, sinks and splashbacks using mould-resistant silicone for a clean, long lasting finish.

Window & Door Perimeter Sealant
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Prevent draughts and leaks with new perimeter sealant around windows and doors. Perfect for uPVC, timber or aluminium frames.

Cement Mortar Repointing
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We repoint brick and stone walls with cement mortar to restore strength, appearance and weather protection.

Patio Repointing & Repair
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We repair patios and repoint using resin or mortar pointing systems that stop weeds, movement and water pooling.

Window & Door Frame Seal Replacement
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We replace perished rubber frame seals within doors and windows to restore proper insulation, compression and weatherproofing.

Bathroom Sealant
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Stop leaks and mould around your bath or shower. Our bathroom resealing service delivers neat joints, hygienic silicone and full protection against water damage.

Expansion Joint Sealant
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Durable, flexible expansion joint sealant for buildings, paving and commercial units - protecting against cracking and water ingress.

Lime Mortar Repointing
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Authentic lime mortar repointing for listed and heritage buildings, using breathable materials that let walls dry naturally.

Water Repellent Treatments
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Protect brick, stone and paving with breathable water repellent coatings such as Belzona or Stormdry. Reduces damp, frost damage and staining.

Image by Phil Hearing

Why Choose Northern Seal & Joint

  • Experienced local team serving Yorkshire homes and businesses

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  • All quotes include everything needed for the full scope of works

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  • Clean, tidy workmanship and professional standards

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  • Fast response, clear communication and lasting protection

Book Your Quote Now

Ready to protect your property?


Get a quick, no-obligation quote today - or message us with photos for a same day estimate.

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