Straight answers before the first call.

TJM Glass & Insulation LLC provides commercial storefront glazing, heavy glass entrance systems, and building-insulation conversations across Greater Boston and Eastern Massachusetts. Based at 320 Shawmut Ave in Boston, TJM serves residential and commercial projects in Boston, Cambridge, Somerville, Brookline, Newton, Quincy, and nearby communities. The Boston location supports practical access through the I-93 and I-90 corridors, with availability confirmed by project scope and schedule.

What areas does TJM serve?

TJM serves Boston, Brookline, Cambridge, Haverhill, Lowell, Lawrence, Newton, Wellesley, and Worcester. Confirm your project location and scope directly with the team.

What glass and glazing services are available?

TJM offers custom shower doors, emergency glass repair and board-up coordination, storefront and commercial glass, window-glass replacement, mirrors, railings, and partitions.

What building insulation services are available?

TJM provides spray foam, attic insulation, blown-in and batt insulation, commercial insulation, and Mass Save guidance.

How do I start an emergency glass request?

Call 978-600-5732 and describe the broken glass unit, location, timing, and immediate safety concern. TJM will provide the clearest next step based on the project information.

Can TJM help with an emergency glass request?

TJM offers same-day response for most emergency glass calls. Call 978-600-5732 to confirm timing for your situation.

How can I check whether my insulation project may qualify for Mass Save?

Mass Save rebate eligibility depends on your specific insulation type and the current program guidelines. We'll help you check what qualifies when we scope your project.

How do I request a quote?

Call 978-600-5732 or send a project note with your name, phone, service needed, location, and timing. Your request goes directly to the TJM team for a prompt project follow-up.

What safety-glazing requirements apply to commercial storefronts?

Massachusetts building requirements identify hazardous locations where safety glazing is required. The right glass type depends on the opening, location, use, and project documents, so TJM coordinates the glazing conversation with the owner, GC, architect, and applicable code requirements.

What U-factor should a commercial glass entrance meet in Massachusetts?

Commercial envelope requirements depend on the building type, fenestration area, product system, and selected compliance path. TJM can provide product and installation information for the project team to review against current Massachusetts energy-code requirements.

How long can a commercial heavy-glass entrance take?

Fabrication and installation timing vary with glass specification, hardware, field measurements, access, approvals, and supplier schedules. TJM can discuss the sequence and confirm a project-specific timeline after the scope is defined.

Can an existing aluminum storefront be retrofitted with insulated glass?

Some existing storefront systems can be evaluated for replacement insulated glass, but feasibility depends on the framing condition, glass pocket, drainage, seals, structural requirements, and the proposed unit. A field review helps define the practical next step.

What insulation level is required for a Massachusetts commercial project?

Insulation requirements depend on the building assembly, occupancy, project type, and chosen energy-code compliance path. TJM can discuss the existing conditions and coordinate material information with the project team; the design professional and permitting authority determine code compliance.

Why might a project use closed-cell rather than open-cell spray foam?

Closed-cell and open-cell products have different density, moisture, air-sealing, and thermal characteristics. The appropriate material depends on the assembly, exposure, moisture conditions, and project goals, so the recommendation should follow a review of the specific building condition.

Can sprayed insulation support an air-control strategy?

When it is specified and installed for the assembly, sprayed insulation can help address gaps and transitions in an air-control strategy. Product selection, installation details, testing, and code compliance should be confirmed for the specific project.

When can a space be reoccupied after spray foam is applied?

Reoccupancy guidance is product-specific. Follow the manufacturer’s safety data sheet, ventilation requirements, and instructions from the qualified installer before trades, occupants, or visitors re-enter the area.

How is alignment handled on a heavy all-glass entrance?

Heavy-glass work begins with field conditions, measurements, and hardware coordination. TJM checks the opening and installation details so the project team can address level, plumb, substrate, and hardware requirements before final installation.

What warranty information is available for glass or insulation work?

Warranty coverage depends on the agreed scope, material, hardware, and manufacturer terms. TJM can provide the applicable written workmanship and product-warranty information with the project proposal or closeout materials.