Looking for reliable weep vents to protect your building from moisture? At Pattrick & Thompsons in King’s Lynn, we stock a wide range of Timloc weep vents, air bricks, underfloor vents, and grille vents—all designed for effective airflow and long-term performance. Whether you're working on a new build or renovation project, our ventilation products are trusted by professionals and stocked in various sizes and colours to suit your needs.
Visit us in-store at Page Stair Lane, King’s Lynn PE30 1NQ, or order online for fast local service.
Adjustable ventilator to provide ventilation beneath suspended ground floors up to 5 brick courses. With incorporated grille to prevent vermin entry. The vertical height of the ventilator unit adjusts to suit between 3 and 5 brick courses (225mm-375mm) with a minimum cavity width of 50mm. We have an extensive range of easy-to-fit horizontal and vertical extension accessories, that do not restrict airflow, to adapt the unit for various applications.
Timloc 1204 Telescopic Underfloor Vent Extension Sleeve:Easy-to-fit vertical extension accessories designed for use with the 1201 and 1201XL Telescopic Underfloor Ventilators. Multiple units can be used to achieve greater depths and heights.
Fits between the upper and lower parts of the telescopic underfloor ventilator to accommodate a vertical step of 6 to 7 brick courses.
Timloc 1207W 9x3 Plastic Internal Louvre Grille Vent White:Plastic internal grille and louvre vents designed to cover the inner opening of a cavity sleeve and provide an aesthetically pleasing appearance while sustaining airflow and reducing drafts. All grilles, including the hit and miss, feature the same louvred design.
Use:
To cover the inner opening on the cavity sleeve and provide an aesthetically acceptable appearance, while still maintaining a free flow of air
Timloc 1209W 9x6 Plastic Internal Hit & Miss Grille Vent White:Plastic internal grille and louvre vents designed to cover the inner opening of a cavity sleeve and provide an aesthetically pleasing appearance while sustaining airflow and reducing drafts. All grilles, including the hit and miss, feature the same louvred design.
Use: To cover the inner opening on the cavity sleeve and provide an aesthetically acceptable appearance, while still maintaining a free flow of air
Plastic internal grille and louvre vents designed to cover the inner opening of a cavity sleeve and provide an aesthetically pleasing appearance while sustaining airflow and reducing drafts. All grilles, including the hit and miss, feature the same louvred design.
Use: To cover the inner opening on the cavity sleeve and provide an aesthetically acceptable appearance, while still maintaining a free flow of air
Timloc IW50BU Invisiweep Buff:The almost-invisible, multi-function wall weep for discharging water from external walls. Suited for use with the Timloc cavity tray system, over external lintels and on external masonry walls. Invisiweep has numerous patent-pending innovative features, including a venturi effect outlet tube that reduces water pressure, allowing for optimal drainage. Invisiweep satisfies all NHBC requirements and meets British standards: BS5250, BS5628 and BS8215. The 500mm Invisiweep extension provides the ideal solution for render and wide walls and can be easily cut to size on site.
Timloc IW50BU Invisiweep Terracotta:The almost-invisible, multi-function wall weep for discharging water from external walls. Suited for use with the Timloc cavity tray system, over external lintels and on external masonry walls. Invisiweep has numerous patent-pending innovative features, including a venturi effect outlet tube that reduces water pressure, allowing for optimal drainage. Invisiweep satisfies all NHBC requirements and meets British standards: BS5250, BS5628 and BS8215. The 500mm Invisiweep extension provides the ideal solution for render and wide walls and can be easily cut to size on site.
Timloc IW50BU Invisiweep Clear:The almost-invisible, multi-function wall weep for discharging water from external walls. Suited for use with the Timloc cavity tray system, over external lintels and on external masonry walls. Invisiweep has numerous patent-pending innovative features, including a venturi effect outlet tube that reduces water pressure, allowing for optimal drainage. Invisiweep satisfies all NHBC requirements and meets British standards: BS5250, BS5628 and BS8215. The 500mm Invisiweep extension provides the ideal solution for render and wide walls and can be easily cut to size on site.
Timloc 1143 Cavity Wall Weep with Vent Terracotta:The multi-function 1143 cavity wall weep designed for cavity ventilation and reliable discharge of water from inside cavity walls. This could be over external lintels or wherever a cavity tray system is installed.