VIEW THE MSDS

277

ALCO SHIELD HT

DESCRIPTION
ALCO SHIELD HT 277 Ice and Water Protector is designed to be used under standing seam metal roofing, metal shingles and metal roof panels. ALCO SHIELD HT 277 protects roofing structures and the interior from water penetration caused by ice dams and wind driven rain.

ALCO SHIELD HT 277 is a polymer modified asphalt membrane, fiberglass reinforced with a smooth, skid resistance surface.

ADVANTAGES
· High temperature resistance of 240° F
· Self-Sealing: Seals around nails, staples and screws
· Self-Adhering: Bonds directly to the roof substrate
· Excellent for under metal, slate or tile

PREPARATION
Sweep roof deck to remove dirt and debris. The roof deck must be clean, smooth and free of moisture If moisture is present, it will limit or inhibit adhesion. 

On re-roofing, remove all old material from roof deck area to be covered with ALCO SHIELD ht 277. Replace any damaged sheeting. 

WEATHER CONDITIONS
Apply when the air temperature is over 40° F (5° C) but below 100° F (38° C). If applied in temperatures below 40° F (5° C), ALCO SHIELD HT 277 is stiffer and will not fully seal until it is warmed. If applied in temperatures above 100°F (38° C), it may become difficult to remove the release poly backing. If this situation should occur, move products into a shaded area until cool. Once cooled, the release poly backing can be easily removed.

INSTALLATION
ALCO SHIELD HT 277 is applied directly to the surface of the roof. See carton for complete instructions.
COLD WEATHER APPLICATION: Mechanically fasten to position membrane until it has bonded to the roof.

FOR EXTERIOR USE ONLY

COVERAGE
2.0      SF Roll Covers Approximately  200 SF


PACKAGING
2.0   SF Roll      25/Pallet  


SPECIFICATION
ASTM D-1970  


LIMITATIONS
ALCO Shield 277:
     · Should not be applied over shingles or underlayment of any sort
     · Should not be applied over damp surfaces
     · Should not be left exposed to sunlight for more than 30 days
     · Caution!! Surface can be slippery if wet or covered with frost


PROPERTIES
Approximate Roll Weight:
     2.0   Square          60 Lbs  (30.4 kg)

Membrane Width:
     Membrane     36”

Membrane Length:
     2.0   Square Roll      66.6 Feet

Membrane Thickness:  Approximately 50 mils
Application Method:  Self Adhering
Surface Composition:  Film Surface
Membrane Reinforcement:  Fiberglass Mat
Backing Material:  Silicone Coated Release Film
Service Temperature:  Not to Exceed 240° F.

FOR FURTHER SAFETY INFORMATION SEE MSDS REGARDING THIS PRODUCT

WARRANTY
We warrant our materials to be of good quality and will replace materials found defective, providing, however, that the buyer shall examine the materials when received and promptly notify us of any defects before the materials are used or incorporated into a structure for which they are intended. Unless otherwise agreed to in writing, this warranty shall extend only to comply with specifications of materials manufactured by and published by Alco Products llc, and made available to the buyer at request. We cannot warrant nor in any way guarantee particular methods, use or applications, nor can we warrant that the materials will be suitable for any intended use. This warranty is in lieu of all others expressed or implied and may not be extended by representatives, written sales or information or drawings. Nor do our distributors or salesmen or any other representatives of distributors or of this  company have any authority to extend any guarantee beyond that outlined above or to waive the limitations of the seller's liability.