Knauf Omnifit Stud 34 100mm Insulation is a high-performance glass mineral wool insulation solution designed specifically for use within metal and timber stud partitions, internal walls and drylining systems. Manufactured to provide excellent thermal and acoustic insulation performance, this versatile insulation slab helps improve energy efficiency, reduce heat loss and minimise sound transfer in residential and commercial buildings. Featuring a flexible friction-fit design, Omnifit Stud 34 fits securely between studs without gaps, ensuring consistent coverage and reliable long-term performance. Lightweight, easy to cut and simple to install, it is ideal for new builds, refurbishments and energy upgrade projects where dependable insulation performance is required. With Euroclass A1 non-combustible fire performance and excellent acoustic properties, Knauf Omnifit Stud 34 is a trusted insulation choice for modern construction projects demanding comfort, efficiency and compliance.
Key Features:
High-performance glass mineral wool insulation roll
Designed for metal and timber stud partitions
Excellent thermal and acoustic insulation properties
Flexible friction-fit installation for secure positioning
Helps reduce heat loss and improve energy efficiency
Non-combustible Euroclass A1 fire rating
Lightweight, easy to handle and simple to cut
Suitable for residential and commercial construction
Ideal for drylining, internal walls and partition systems
Durable long-term insulation performance
Technical Specifications:
Product type: Glass mineral wool insulation roll
Brand: Knauf Insulation
Range: Omnifit Stud 34
Thickness: 100mm
Width: 1200mm
Length: 5200mm
Coverage: 6.24m² per pack
Thermal conductivity: 0.034 W/mK
Application: Stud partitions, internal walls and drylining
Installation: Friction-fit between studs
Fire classification: Euroclass A1 non-combustible
Use: Residential and commercial insulation projects
Please Note: This product is available mainly from our HPC Insulation store and may be subject to a longer lead time than standard stocked items.
TJ’s Tip:
For best thermal and acoustic performance, ensure insulation slabs fit tightly between studs without compression or gaps, and stagger joints where possible to minimise air leakage and sound transfer.
We offer reliable delivery services throughout the Republic of Ireland, with straightforward delivery charges for both trade and DIY customers. Delivery options are confirmed at checkout based on your order and delivery Eircode.
Delivery Charges & Delivery Times
Delivery Type
Delivery Area
Delivery Charge
Delivery Time
Small Items
Republic of Ireland
€9.99
3–4 working days
Large & Heavy*
Standard delivery area
€29.99
5–7 working days
Extra Large*
Standard delivery area
€50.00
5–7 working days
Paint 5L or less**
Standard delivery area
€19.99
5–7 working days
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Small Items
Delivery area
Republic of Ireland
Charge
€9.99
Delivery time
3–4 working days
Large & Heavy*
Delivery area
Standard delivery area
Charge
€29.99
Delivery time
5–7 working days
Extra Large*
Delivery area
Standard delivery area
Charge
€50.00
Delivery time
5–7 working days
Paint 5L or less**
Delivery area
Standard delivery area
Charge
€19.99
Delivery time
5–7 working days
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
Additional Information
FREE delivery on eligible Small Items and Large & Heavy orders over €1,499, within the standard delivery area only.
Special Order and Catalogue Products require an additional 5 working days.
FREE collection of old appliances is available through WEEE Ireland when purchasing qualifying large appliances.
FREE Click & Collect is available for items in stock at your selected branch.
Large & Heavy and Extra Large items are available within our standard delivery area only.
Paint delivery Paint in tin cans 5L or less is available for delivery. Larger sizes and paint supplied in plastic buckets are available for Click & Collect only.
TJ O'Mahony offers a 30-day returns policy on eligible unused products, giving you additional time beyond the statutory 14-day cooling-off period applicable to most online consumer purchases.
Eligible products can be returned for a refund or exchange within 30 days of delivery or collection, provided they are unused, in their original and re-saleable condition, complete with all supplied parts and accessories, and accompanied by proof of purchase.
Please note: Return restrictions apply to certain products, including Mixed Paint, certain Bagged Building Products, Solid Fuel, Special Order, Non-Stock and Catalogued Products.
Your statutory rights in relation to faulty, damaged, incorrectly supplied or non-conforming goods are not affected.
