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TP450 Compriband Timber Max

illbruck / timber frame joint seal

TP450Compriband Timber Max

High-movement pre-compressed sealing tape engineered for timber-frame joints, wind-driven rain protection and long-term flexibility.

Buy TP450 online →Check suitability

illbruck TP450 Compriband Timber Max tape
450 PaMinimum rain resistance
50 mmMaximum gap
37 mmJoint movement
5 storeysTimber-frame use
Timber movement system

Built to move. Designed to keep sealing.

Wind-driven rain

Provides a minimum 450 Pa weather seal, rising to 600 Pa in the three smaller sizes.

High movement capacity

Accommodates up to 37 mm of movement within a maximum 50 mm joint.

Timber-frame ready

Designed to manage differential movement in timber-frame construction up to five storeys.

Vapour permeable

Resists external weather while remaining breathable for outward vapour diffusion.

Continuous resilience

Continually expands and contracts to retain contact as the joint changes.

Clean dry installation

A self-adhesive face supports accurate positioning without a wet perimeter sealant.

Movement intelligence

Made for timber in motion.

Timber structures respond to moisture, temperature and loading. TP450 is engineered to follow that movement while maintaining the joint seal.

Installation guide →

JOINT MOVEMENT / ACTIVE

EXPANDCONTRACTContinuous pressure across the joint

Specification desk

Technical essentials.

Product profile

Flexible open-cell polyurethane foam impregnated with an acrylic-based, UV-stabilised resin. Water resistant, fire-retarded and supplied with a self-adhesive face for initial positioning.

Available in anthracite, with light grey subject to minimum order quantities, and in sizes suitable for joints up to 50 mm.

Ready to specify?

Choose TP450 Timber Max.

Check its suitability or order directly from Dortech Direct.


Genuine illbruckAccredited UK distribution
Joint-first guidanceSelection led by measured performance
Human technical supportCall 0330 128 1212