The Polyglass Polystick MTS Plus Multi-Purpose HT Underlayment Black 2 Square/Roll is a ice & water underlayment for jobs that require Polyglass model/MPN PSMTSPLQ in the RL sell unit. Polystick MTS PLUS is a self-adhered high-temp waterproofing underlayment for metal roof coverings and various other applications.

Key Specs

• Brand: Polyglass
• Model / MPN: PSMTSPLQ
• SKU: POLPUMTS
• Sell unit: RL
• Product type: Ice & Water Underlayment
• Size / color: 2 Square/Roll
• Category: Residential Roofing | Residential Roofing/Underlayment | Residential Roofing/Underlayment/Ice & Water Underlayment | Underlayment | Underlayment/Ice & Water Underlayment
• Coverage / unit: 2 squares (200 sq ft) per roll

Key Features

• A split release film that protects the self adhesive compound allows for easy application.
• Polystick MTS PLUS features a cavitated anti-skid top film surface which can be exposed up to 180 days. With a temperature resistance of up to 265°F, Polystick MTS PLUS is ideally suited for high temperature roof covering systems such as steel, aluminum,

Coverage & How Much You Need

This item is listed as 2 squares (200 sq ft) per roll. Use the project takeoff, manufacturer installation instructions, and expected waste/overlap to confirm the order quantity.

Compatibility / Fitment

Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different ice & water underlayment, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

Polyglass Polystick MTS Plus Multi-Purpose HT Underlayment Black 2 Square/Roll, sold as RL, with SKU POLPUMTS and manufacturer model/MPN PSMTSPLQ.

What model or part number should I match?

Match model/MPN PSMTSPLQ and confirm the brand is Polyglass. If the job spec lists a different model, size, color, or system family, hold for review.

What unit is the price based on?

This listing is built around the RL sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Use 2 squares (200 sq ft) per roll, then add waste or overlap per the manufacturer instructions and the project design.

What should be checked before purchase?

Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.

Roofing and exterior-envelope work can involve fall hazards, weather exposure, fumes, adhesives, and system-specific installation requirements; follow the manufacturer instructions, OSHA-safe work practices, and local code or use a qualified contractor.

Product Expert Notes

Choose this item when Polyglass model/MPN PSMTSPLQ, SKU POLPUMTS, and the RL sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.