---
title: "Roof Replacement Materials for Tarzana Homes: Shingle, Tile, Metal | NEMA Roofing"
description: "Roof replacement materials for Tarzana homes compared: shingles, tile, standing seam metal and low-slope membranes, plus the cool roof and Class A rules."
url: "https://nemaroofing.com/roofing-replacement/best-roof-replacement-materials-for-tarzana-california-homes/"
updated: "2026-09-29"
---

**The roof replacement materials that suit most Tarzana homes are architectural asphalt shingles, clay or concrete tile and standing seam metal on the sloped roof, with a membrane (modified bitumen, TPO or PVC) on low-slope additions and patio covers.** Two City of Los Angeles rules narrow the choice: when more than half of a home’s roof is replaced, the product must be certified by the Cool Roof Rating Council (Tarzana’s 91356 ZIP code is in California climate zone 9), and a lot inside a Very High Fire Hazard Severity Zone needs a Class A roof covering. For help comparing samples on your own roof, call NEMA Roofing at [818-528-6412](tel:818-528-6412).

## What does Tarzana’s climate ask of a roofing material?

Heat first. The NOAA weather station at Pierce College, about 2 kilometers from Tarzana, averages 115 days a year at or above 90°F and about 35 days at or above 100°F, with an August average high of 97.4°F (1991 to 2020 normals). Rain is the opposite: more than four-fifths of the station’s normal 16.4 inches a year falls from December through March, so a roof bakes for months and then has to shed a winter’s water in a few storms. Seasonal winds over the foothills south of Ventura Boulevard add a third test at the edges and ridges.

Whatever covering you choose works as a system with the deck, underlayment, flashing, ridge and hip pieces and attic ventilation, which is why a [roof replacement](https://nemaroofing.com/our-services/roofing-replacement/) is best planned as one project rather than a covering choice alone.

## How do the main materials compare for a Tarzana house?

| Material | Suits | Tarzana check before you choose |
| --- | --- | --- |
| Architectural asphalt shingles | Ranch and two-story houses; the widest color range | Pick a color with a CRRC cool roof rating; confirm the shingle and underlayment together rate Class A if the lot is in the fire zone |
| Concrete or clay tile | Spanish and Mediterranean houses | Framing check for the weight on older houses; whether sound existing tile can be reset instead of replaced |
| Standing seam metal | Hillside and modern renovations; solar-ready roofs | A rated cool finish; expansion detailing for the Valley’s heat swings |
| Low-slope membrane (TPO, PVC, modified bitumen) | Additions, patio covers, garage transitions | The much higher low-slope cool roof values in climate zone 9 (see below) |

## Are architectural shingles a good choice in Tarzana?

For many houses, yes. Architectural shingles offer dimensional texture, a wide palette and cool-rated colors that reflect more sunlight and cut heat gain. On single-story ranch homes they keep a familiar look; on two-story houses they give crisp lines without overwhelming the facade. Under Tarzana’s sun, pair them with a high-temperature rated underlayment that resists wrinkling as the deck heats and cools.

For a steep-slope reroof in climate zone 9, the 2025 state energy code sets minimums of 0.20 aged solar reflectance and 0.75 thermal emittance (or an SRI of 16), so the rating on the sample card is the first thing to check. The code also accepts equivalents instead, such as at least R-38 ceiling insulation, an attic radiant barrier, or, in zone 9, having no ducts in the attic; if your house meets one, a darker unrated color can still be allowed. Edge details carry the rest: drip edge over the fascia, starter strips, and matched hip and ridge pieces at the lines you see from the street. Under mature trees, open valleys that shed leaves keep winter water moving.

## Is tile right for an older Tarzana house?

Clay and concrete tile suit the Spanish and Mediterranean-inspired homes in Tarzana and handle the sun well, but weight is the first question. Census estimates put the median year built in 91356 at 1973, and about 78 percent of homes there predate 1980, so a switch from shingles to tile on a house of that age needs the deck and framing checked, and reinforcement where they fall short.

If the house already has tile, you may not need new tile at all. On a tile roof the underlayment beneath does the waterproofing, and LADBS treats taking the tiles up, installing new underlayment and relaying the same tiles as an Express Permit job that is exempt from cool roof compliance. Ask for a count of cracked or broken pieces, since those cannot go back on, and whether matching replacements are still made. A new tile roof adds battens, a high-temperature underlayment and flashing shaped to the tile profile at chimneys, walls and valleys.

## When does standing seam metal make sense?

On hillside homes and modern renovations, standing seam metal gives clean lines, concealed fasteners and strong resistance to wind and fire, and panels formed to length handle complex roof shapes. Light, reflective finishes help with heat, and many factory colors carry cool roof ratings; check the aged values for the exact color. With about 35 days a year above 100°F at the Pierce College station, the panels expand and contract daily through summer, so clips, fastening and detailing at penetrations must allow for it. Metal pairs well with the stucco, wood and glass exteriors of many Valley renovations; choose a matte or satin finish if glare toward neighbors or the street is a concern.

## What should go on a low-slope addition or patio cover?

Low-slope sections over additions, patios or garage transitions need a membrane, not shingles or tile. Modified bitumen, TPO and PVC are the common choices. In climate zone 9 the 2025 energy code sets much higher values for a low-slope reroof: an aged solar reflectance of 0.63 and thermal emittance of 0.75 (or an SRI of 75), which in practice means a white or very light membrane unless insulation is added at the deck as the code’s trade-off allows. That insulation also helps when living space sits directly under the flat section. The work is in the transitions: clean terminations and flashing where the membrane meets the sloped roof, and a plan for leaf debris on patios under large trees.

## Which underlayment holds up in Tarzana’s heat?

High-temperature rated synthetic underlayments are now the usual choice here. They stay stable in heat, are safer for crews to walk on, and resist wind-driven rain while the roof is open. Add self-adhered membrane at the eaves, in the valleys and around penetrations, where winter storms push the most water. On a tile roof the underlayment is the actual waterproofing layer, so match its expected life to the tile’s rather than letting it be the part that forces the next reroof.

## How should ventilation and accessories be specified?

Balanced intake at the eaves and exhaust at the ridge or through low-profile vents keep the attic cooler through Tarzana’s long hot season and support manufacturer warranties. Ask the estimate to state the intake and exhaust it provides, not just “vents replaced.” Name the accessories too: pipe boots, attic screens and skylight flashing kits from the same system, so the parts are compatible. If the lot is in a fire zone, ask for ember-resistant vents at the same time.

## How do the fire zone and permit shape the choice?

Close to half the land in ZIP 91356 (about 46 percent, by a grid estimate over the state fire maps) falls in the Very High Fire Hazard Severity Zone, where the city insists on a Class A covering. Shingle, tile and metal can all reach Class A, but the rating belongs to the tested assembly, so the product data should show Class A for the covering over the underlayment and deck you are buying. The permit comes from LADBS because Tarzana is part of the City of Los Angeles; its Express Permit for reroofing covers Class A or B coverings under 6 pounds per square foot over solid sheathing, so check the covering’s weight per square foot on the data sheet and ask which permit path it needs.

## How do you judge colors and profiles before you commit?

Look at full-size samples outdoors, on the roof or propped against the house, at midday and late afternoon, since showroom light hides how a color reads in strong sun. Check the cool roof rating on the back of each sample card, then narrow to the colors that pass. If you plan solar, choose the layout and attachment zones now, since some profiles make mounts and flashing simpler.

## How much upkeep does each material need in the Valley?

All of them need clean gutters and clear valleys before the December to March rains, and a look after windy days. Tile needs broken pieces replaced before water reaches the underlayment; metal needs fasteners and sealant at penetrations checked; membranes need drains kept clear. A first-year inspection after the replacement confirms that ventilation and flashing are working as planned.

## Q&A: Materials for Tarzana roof replacements

### Which materials stay coolest in Tarzana’s sun?

Cool-rated asphalt shingles, light-colored tile and reflective metal finishes all reduce heat absorption. Pair them with balanced attic ventilation for the biggest comfort gain.

### How do I choose between TPO, PVC and modified bitumen for low-slope areas?

By sun exposure, debris, foot traffic and what the membrane meets at its edges. In climate zone 9 the reflectance value narrows the colors more than the membrane type does, so compare products that meet 0.63 aged reflectance or use the insulation trade-off.

### Will metal roofing be noisy during rain or wind?

Over solid decking with a good underlayment and proper fastening, metal roofs are quiet. In Tarzana the bigger questions are expansion detailing and color.

### Can I mix materials on different sections of the roof?

Yes. Many homes combine shingles or tile on the main house with a membrane on low-slope additions. The transition flashing is the detail to ask about.

## Compare materials on your own roof

An estimate visit can bring samples, check the cool roof rating and Class A listing for each option, confirm your lot’s fire zone map status and look at the framing if tile is on the table. How these choices show up line by line is covered in [how to get a roof replacement estimate in Tarzana](https://nemaroofing.com/roofing-replacement/how-to-get-a-roof-replacement-estimate-in-tarzana-california/), and lower-impact options are compared in [green roofing materials for Tarzana](https://nemaroofing.com/green-eco-friendly-roofing/green-eco-friendly-roofing-materials-in-tarzana-california/). Tarzana is one of five Google-verified NEMA Roofing locations; with Woodland Hills, Downey, Oxnard and Santa Barbara, our crews replace roofs throughout Los Angeles, Ventura, Santa Barbara, Riverside and San Bernardino counties (see our [Tarzana roofing page](https://nemaroofing.com/service-areas/roofing-services-tarzana-ca/) and [every area we serve](https://nemaroofing.com/service-areas/)). To look at material samples on your roof, call NEMA Roofing at [818-528-6412](tel:818-528-6412).