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Instaseal Ltd

Active, accounts up to date·subcontractor·Head office Chester Le Street

About from company website

Instaseal Ltd is a specialist business focused on joint sealing for commercial buildings and residential homes, operating throughout the Northeast and surrounding areas. Established on 11th November 2016, the company has rapidly grown to become one of the largest sealant workforces in the region, priding itself on professional finishes regardless of job size. With over 20 years of combined experience in the industry, Instaseal's team of experts are dedicated to delivering a professional and reliable service.

They work with a core set of values: Reliability, Relationships, and Responsiveness, which has helped them secure work with numerous highly regarded building specialists. The company invests in its people, offering apprenticeships and training to develop skilled professionals within the sealant industry, ensuring an outstanding service with an extra-mile mentality. Instaseal offers a comprehensive range of sealant services, including internal and external window and door frames, sanitary and kitchen sealants, glass-to-glass sealing, tile/wood to skirting joints, expansion joints, acoustic soundproofing, air test jointing, fire seals, lead work, and sealing floor saw cut joints.

They also provide specialised services such as anti-pick sealant for secure units and food-safe/clean room sealants, adhering to industry standards and ensuring precision finishes on all projects.

Services

Works as

Sectors

Accreditations from company website

  • CHAS
  • Competent Safety Advisor
  • CSCS

Clients mentioned from company website

Persimmon, Tolent, Barratt Homes, Duchy, Taylor Wimpey, Gentoo, Avant Homes, Arch Construction, N.B.Clark, Robertson Homes.

Similar companies

All waterproofing contractors in Chester Le Street →

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Questions about Instaseal Ltd from the record on this page

What does Instaseal Ltd do?

Instaseal are sealant application specialists providing sealant services to the housing and commercial sectors. Contact our team today. Their listed services include Waterproofing and Fire protection.

Where is Instaseal Ltd based?

Instaseal Ltd is registered at 26 Burnlands Way, Pelton Fell, Chester Le Street, DH2 2FQ, in North East.

What areas does Instaseal Ltd cover?

Instaseal Ltd states that it works across North East and County Durham.

How many people work at Instaseal Ltd?

Accounts filed for the year to 2025 report 18 employees, which places the company in the 10-49 employees band.

What is Instaseal Ltd's turnover?

Instaseal Ltd does not disclose turnover: UK small-company accounts are not required to. Based on headcount and trade debtors in its filed accounts, turnover is likely to fall between £1.1m and £3.0m. This is an estimate, not a filed figure.

Is Instaseal Ltd still trading?

Companies House lists Instaseal Ltd as active, with accounts most recently made up to 2025-03-30.

What accreditations does Instaseal Ltd hold?

Instaseal Ltd displays CHAS, Competent Safety Advisor and CSCS on its website.

What sectors does Instaseal Ltd work in?

Instaseal Ltd works in Residential and Commercial.

When was Instaseal Ltd established?

Instaseal Ltd was incorporated on 2016-11-09.

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