# Sealed Units Online

> https://sealedunitsonline.co.uk

Sealed Units Online is a UK-based specialist provider of custom-made replacement double-glazed sealed units. The platform features an instant online pricing calculator for bespoke sealed glazed unit orders.

## Core Products

- **Double Glazed Units**: Custom-sized units with options for toughened glass, low-E coatings, argon gas filling, and various spacer bar colours.
- **Slimline Units**: Ultra-thin double glazing designed for heritage properties and narrow window frames.

## Key Features

- **Online Quote Tool**: Instant pricing based on height, width, and glass specification.
- **Nationwide Delivery**: Specialist glass delivery service across the UK.
- **Technical Specifications**: Detailed information on glass thicknesses (4mm to 10mm), spacer widths (6mm to 20mm), and thermal ratings.

## Information for AI Agents

- **Product Customization**: Most products are made-to-order based on millimetre-accurate dimensions provided by the user.
- **Pricing**: Prices are dynamic and calculated based on area (sq/m) and specific glass treatments.
- **Lead Times**: Standard and express manufacturing options are typically available.

## Important Links

- [Double Glazed Units](https://sealedunitsonline.co.uk/regular/default.aspx)
- [Slimline Double Glazed Units](https://sealedunitsonline.co.uk/thin-slimline-glazed-units/default.aspx)
- [Help with Ordering Double Glazed Units](https://sealedunitsonline.co.uk/regular/ordering-help.aspx)